TRIGONOMETRY COMPOUND ANGLES PART 1

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  • Опубліковано 26 гру 2024

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  • @gylee6949
    @gylee6949 3 роки тому +75

    When you explain it in english, i cant stress enough how helpful it is for non-hindi speaker

  • @MegaRama1979
    @MegaRama1979 6 років тому +38

    Top explaining, you are giving great help to rural areas students by your video classes sir. Once again thank you very much sir

    • @SakalaVidya
      @SakalaVidya  6 років тому +3

      Thanks for your feedback.please follow us and also share with your friends too

  • @FahadAli-sl9ze
    @FahadAli-sl9ze 3 роки тому +9

    I take in inter jee mains+Eamcet
    This video is very helpful for me
    Thank u sir

  • @santhammagumpu4981
    @santhammagumpu4981 4 роки тому +13

    Prefect video with prefect explanation

  • @manepallibrahmam114
    @manepallibrahmam114 2 роки тому +4

    Sir your writing is very clear and neat
    and it is very useful for me after tenth exams in summer vaccation

  • @nandinibts9694
    @nandinibts9694 4 роки тому +10

    Sir really u nailed it...Ur explanation and presentation were too good sir.. Thank you sir

  • @malakondareddyneelapareddy5245
    @malakondareddyneelapareddy5245 2 роки тому +1

    Wow excellent explanation ideas about tigonometry thank you sir

  • @devathhamsini
    @devathhamsini 3 роки тому +7

    Thank you sir for explaining 🙂
    Ur explanation is so good

  • @pavanvenkat9975
    @pavanvenkat9975 4 роки тому +3

    Sir hands off u sir you explanation is marvelous 👍👍👍

  • @mohitkrishna7799
    @mohitkrishna7799 5 місяців тому

    The session covers compound angles in trigonometry, defining algebraic sums of angles and their trigonometric ratios. Key formulas for sine, cosine, and tangent of compound angles are presented. The session also explores deriving expressions for products of sine and cosine functions, emphasizing transformations between sine and cosine forms.
    Key moments:
    00:30 Compound angles involve the algebraic sum of two or more angles, such as A + B or A - B. Understanding these angles is essential for calculating their trigonometric ratios accurately.
    -The sine of a sum, sin(A + B), can be expressed as sin A cos B plus cos A sin B. This formula is critical for solving trigonometric problems.
    -The algebraic sum of angles is defined as a compound angle, allowing for various combinations like A + B or A - B. This concept is foundational in trigonometry.
    -Cosine for compound angles can be represented as cos(A + B) equals cos A cos B minus sin A sin B. This relationship is key in various mathematical applications.
    03:13 The video discusses the trigonometric identities for the addition and subtraction of angles. It explains how to derive the formulas for sine, tangent, and cosine of combined angles.
    -The video covers the formula for tangent of a plus b, which involves the tangent values of a and b combined. It's expressed as tan(a + b) = (tan a + tan b) / (1 - tan a tan b).
    -It presents the sine and cosine formulas for angle addition and subtraction, demonstrating how they can be calculated using the basic trigonometric identities. These formulas include sin(a + b) and cos(a - b).
    -The video emphasizes the importance of understanding these basic formulas in trigonometry, as they are foundational for solving more complex mathematical problems. This knowledge is crucial for higher-level mathematics.
    05:54 The discussion revolves around manipulating trigonometric identities to derive a specific equation. By expressing sine and cosine in terms of each other, the relationships between angles are clarified.
    -The transformation of trigonometric functions helps simplify the expressions and reveal underlying patterns. This process is essential in solving equations involving angles.
    -The cancellation of terms during the simplification process underscores the importance of strategic manipulation in trigonometric identities. It streamlines the path to the final result.
    -The final equation relates the sine of the sum and difference of angles, demonstrating a foundational concept in trigonometry. This relationship is crucial for solving various mathematical problems.
    08:33 The video discusses the formulation of trigonometric identities, specifically focusing on the expansion of cosine functions. It emphasizes the transformation of sine and cosine squared terms for simplification.
    -The video illustrates how to derive the cosine of the sum and difference of angles using trigonometric identities. This process involves careful algebraic manipulation.
    -It explains the conversion of cosine squared terms into sine terms to facilitate further simplifications. This technique is vital for solving complex trigonometric equations.
    -The cancellation of terms in the derived equations is highlighted, showcasing efficiency in solving trigonometric problems. This step is crucial for arriving at the final result.
    Generated by sider.ai

  • @manishtagde7954
    @manishtagde7954 7 років тому +35

    Perfect video for JEE that I want thank u sir🤗👉💪👈👌

    • @SakalaVidya
      @SakalaVidya  7 років тому +4

      thanks for your feedback, please follow us and also share with your friends,

  • @talagapu.simhachalam3714
    @talagapu.simhachalam3714 3 роки тому +2

    Nice explanation sir. Thank you for the video.

  • @blazexgaming4026
    @blazexgaming4026 Рік тому +1

    Good morning Sir. Can you take class of B. Pharmacy.First year. First semester Maths class.Loggretham and Matters

    • @SakalaVidya
      @SakalaVidya  Рік тому

      forward your syllabus to 9866646145

  • @godofgamings6150
    @godofgamings6150 3 роки тому +4

    What a clear explanation sir , no words to define this video. 👍👍👍 Super ❤️❤️❤️

  • @sonunithilesh8356
    @sonunithilesh8356 6 років тому +5

    Sir your class so interesting sir ....I like the way of teaching

  • @vindhyasree159
    @vindhyasree159 3 роки тому +1

    Thank u sir for your best and good explanation

  • @sardarbage388
    @sardarbage388 4 роки тому +5

    Thank younsir for giving and providing us a very valuable information 🙏🙏

  • @mohammedaasimhussain7493
    @mohammedaasimhussain7493 5 років тому +3

    Thanks for the prior information sir. Again thank you so much sir.

  • @vidhyaasam1721
    @vidhyaasam1721 5 років тому

    Tq sir actually i did not attended the classes while this class wad done due to healthproblem now i understood this.....

    • @SakalaVidya
      @SakalaVidya  5 років тому

      thanks for your feedback,please do share with your friends too..

  • @Alwayskumar97
    @Alwayskumar97 4 роки тому

    Your explanation is useful for SSC cgl

    • @SakalaVidya
      @SakalaVidya  4 роки тому +1

      Yes it will be useful

    • @Alwayskumar97
      @Alwayskumar97 4 роки тому

      @@SakalaVidya tq for quick reply,
      And I want to prepare for SSC CGL , so please give me suggestions

  • @pavanipittamalla4401
    @pavanipittamalla4401 3 роки тому +1

    Sir plz can u explain me trigonometric identities topic

  • @magupalli_vari_famliy143
    @magupalli_vari_famliy143 3 роки тому +1

    You explain english good keep it up

  • @fahad.xd7
    @fahad.xd7 Рік тому

    Your explanation is very nise ❤

  • @amarlingeshwar7309
    @amarlingeshwar7309 3 роки тому +1

    sir in which college do you teach. you are teaching really very well

  • @umamapatel9910
    @umamapatel9910 6 років тому +3

    Plz provide vdos for rest chapters of Diploma 1st year

    • @SakalaVidya
      @SakalaVidya  6 років тому

      ,thanks for your feedback,Please like,Subscribe & share with your friends too

    • @massiahplays2261
      @massiahplays2261 5 років тому

      sahi he bhii

    • @massiahplays2261
      @massiahplays2261 5 років тому

      plz sir 1st year diploma ka padhu

  • @saithanaidu9980
    @saithanaidu9980 5 років тому +6

    I saw so many videos why u r not explaining the proofs .
    Simply u write down the formulas
    I observed that sir u didn't explain the introduction sir

  • @kandibhargav8995
    @kandibhargav8995 4 роки тому +1

    Sir I could not able to find trigonometric ratios in your channel where it is.

  • @SanthoshBuddha
    @SanthoshBuddha 6 місяців тому

    Great sir thank you sir ❤❤❤

  • @eswararao1298
    @eswararao1298 Рік тому +1

    🎉

  • @anveshrenukuntla6522
    @anveshrenukuntla6522 7 років тому +13

    Sir can u provide videos total mathematics of diploma1 year

    • @SakalaVidya
      @SakalaVidya  7 років тому +1

      sure we will try to upload, thanks for your feedback, please follow us and also share with your friends

  • @nareshpeddireddy5916
    @nareshpeddireddy5916 4 роки тому +1

    Nice explanation sir

  • @kbishere592
    @kbishere592 3 роки тому

    Great sir thank you 👍👍👍👍👍🙏🏻🙏🏻🙏🏻🙏🏻

  • @success2570
    @success2570 5 років тому +3

    Thank you sir
    I am coming from T/M in 10class change into E/M sir
    If you don't mine please send about maths A ,B videos
    Sir please

  • @KennyKemzy
    @KennyKemzy 7 місяців тому +1

    Please sir try to increase your hand writing next time, it's too small

  • @kalyankumar7739
    @kalyankumar7739 6 років тому +1

    Veryyyy good explanaisation sir thq very much....

    • @SakalaVidya
      @SakalaVidya  6 років тому

      Thanks for your feedback.please follow us and also share with your friends too.

    • @kalyankumar7739
      @kalyankumar7739 6 років тому

      Sir i want some more problems give me ur whats app num

    • @SakalaVidya
      @SakalaVidya  6 років тому

      please follow the link below
      www.sakalavidya.com/
      and also check our youtube playlist where we have placed all the chapters in an order.

  • @AbdullahiAbubakar-j1g
    @AbdullahiAbubakar-j1g Рік тому

    thank you very much sir indeed

  • @Dhyutidhar
    @Dhyutidhar 3 роки тому

    in the time of 2:23 you wrote that sin(A+B) is sin A cos B + cos A sin B right then can we do it as sin A sin B + cos A cosB

  • @neerajalucky6594
    @neerajalucky6594 3 роки тому +1

    Thank you sooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooomuch

  • @madhubheemireddi
    @madhubheemireddi 7 років тому +2

    sir , if u provide the video s for fresher of trigonometry then these will be easy to understand.. thank you

  • @medikondamounika9571
    @medikondamounika9571 2 роки тому

    Thank you sir it is very useful to me

  • @MegaRama1979
    @MegaRama1979 5 років тому

    Ur teaching is marvelous sir

  • @premakumariyaram8800
    @premakumariyaram8800 2 роки тому

    How derive formula..sir...first tell dar

  • @mohinibaratam6556
    @mohinibaratam6556 3 роки тому

    Sir i have trigonometry some dout please tell me sir

  • @chandugangula7023
    @chandugangula7023 5 років тому

    Super Sir I love your channel

    • @SakalaVidya
      @SakalaVidya  5 років тому

      Thanks for your feedback,please do share our videos with your friends too....

  • @kattirisettyvenkatakalyana1297

    You are teaching simply sir. But not giving explanations for why and how an identity should be invited. You are good at text book and experience in solving the problems. But comprehensive explanation at least for 2 questions is very important. But good timing and presentstion

  • @sandeepmanchikanti811
    @sandeepmanchikanti811 7 років тому +4

    i need maths 1st year diploma syllabus

    • @SakalaVidya
      @SakalaVidya  7 років тому

      thanks for your feedback, please follow us and also share with your friends,

    • @mohammedzaker7184
      @mohammedzaker7184 7 років тому +1

      I to

    • @SakalaVidya
      @SakalaVidya  7 років тому

      thanks for your feedback, please follow us and also share with your friends

  • @THULASI-EDITZ06
    @THULASI-EDITZ06 11 місяців тому

    Why should we change only cos²b and cos²a only ???????

  • @k.harshavardhanchowdhary542
    @k.harshavardhanchowdhary542 2 роки тому

    sir ur writing is awesome sir

  • @44shubhambiradar22
    @44shubhambiradar22 3 роки тому +1

    👍👌👌

  • @sksuresh3587
    @sksuresh3587 6 років тому +2

    Sir trigonometry ratios 6c Roman 2 2 lo 3 please sum reply sir

  • @reyyapavanireyyapavani5736
    @reyyapavanireyyapavani5736 5 років тому +1

    Thank you so much sir

  • @vijayasudha2720
    @vijayasudha2720 7 років тому +3

    Very nice classes

    • @SakalaVidya
      @SakalaVidya  7 років тому

      thanks for your feedback, please follow us and also share with your friends

  • @BLADE_PLASMA
    @BLADE_PLASMA 3 роки тому +1

    *LOVED IT*

  • @vallitalks191
    @vallitalks191 3 роки тому

    Sir compund angles formulas plzzz explain again sir

  • @nitinkumartata2318
    @nitinkumartata2318 7 років тому +4

    Sir u are super sir

    • @SakalaVidya
      @SakalaVidya  7 років тому

      thanks for your feedback, please follow us and also share with your friends

  • @rajkumarcgr3436
    @rajkumarcgr3436 4 роки тому

    Sir
    Plzz Send me the link for Jr.mec beginners

  • @wahstudy5501
    @wahstudy5501 6 років тому +2

    Sir, may you provide vidios about how to study bachelor students having mathematics hons paper.

    • @SakalaVidya
      @SakalaVidya  6 років тому

      we will try,thanks for your feedback, Please like, Subscribe & share with your friends too

    • @wahstudy5501
      @wahstudy5501 6 років тому

      @@SakalaVidya thnx

  • @sakalam367
    @sakalam367 6 років тому

    Sir ...Thank u Soo much for providing these type of videos

    • @SakalaVidya
      @SakalaVidya  6 років тому +1

      Thanks for your feedback.please follow us and also share with your friends too

  • @angelsiri4783
    @angelsiri4783 5 років тому

    Sir u r teaching is nice sir.bt please explain simple tricks for e-cet xam sir

  • @ManjulakammarKammar
    @ManjulakammarKammar 3 місяці тому

    Sir please send multiple angle

  • @priyankamallelli440
    @priyankamallelli440 3 роки тому

    Very thank you sir

  • @chinthamuthaiah5891
    @chinthamuthaiah5891 3 роки тому

    Good explanation sirr.....

  • @kanyakumari8192
    @kanyakumari8192 3 роки тому

    Thank u so much sir 👍

  • @chalapatibodasingi5787
    @chalapatibodasingi5787 4 роки тому

    Sir why u changed sin2a only why not sinb

  • @ranjithahe548
    @ranjithahe548 5 років тому +1

    Thank you so much sir..... Because u have made a smile on my face...sir really I got result last week... I get 65 marks...these all credit only u sir... God bless you sir....keep teaching of all u students....once again thank you so much...and thanks to channel.....🙏🙏🙏🙏🙏🙏 I never forget u sir....lv u as daughter.....

  • @sakinalaupendhar7080
    @sakinalaupendhar7080 5 років тому +2

    Thank you annaya

  • @umeshj6192
    @umeshj6192 4 роки тому

    Sir please upload trigonometric ratios

    • @SakalaVidya
      @SakalaVidya  4 роки тому

      ua-cam.com/play/PLbdNhuWAJPOytRUW9zlStFezBgsHV08io.html

  • @Mukhesh-ml5du
    @Mukhesh-ml5du 5 років тому

    please provide videoes for e cet

  • @dussamanojkumar5330
    @dussamanojkumar5330 6 років тому +1

    👌👌👌👌👌👌

  • @darshisuma6807
    @darshisuma6807 5 років тому

    Thank you sir🙂🙂🙂🙂🙂😎🙂

  • @bodepukrishna5447
    @bodepukrishna5447 4 роки тому

    Thqs for valuable information sir

  • @tirlangigeetanjali9767
    @tirlangigeetanjali9767 3 роки тому

    Nice teaching

  • @keerthimallipudi2400
    @keerthimallipudi2400 3 роки тому

    Amazing

  • @AjayRaj-cu4ql
    @AjayRaj-cu4ql 5 років тому

    Sir app jo video bana rahe uspar kaise pade

  • @mantricharan256
    @mantricharan256 4 роки тому

    Is this use full for 2020 year

  • @gurleganesh9419
    @gurleganesh9419 5 років тому

    Thanks for teaching sir......

  • @bgcinemas7860
    @bgcinemas7860 3 роки тому

    Superb

  • @ramalakshmikonatham3397
    @ramalakshmikonatham3397 6 років тому +1

    Thank you Sir

    • @SakalaVidya
      @SakalaVidya  6 років тому

      thanks for your feedback,Please like,Subscribe & share with your friends too

  • @ambikathakur6334
    @ambikathakur6334 5 років тому

    Sir plz say 10 class chapters paper 1 and paper 2

  • @babauchauhan5921
    @babauchauhan5921 4 роки тому

    Super explanation sir

  • @varreragasudhavenkatesh6080
    @varreragasudhavenkatesh6080 5 років тому

    Dear sir
    Can you please upload the maths 301 for C14

  • @aganesh5335
    @aganesh5335 5 років тому +1

    Sir I can't get trigonometry ratois chapter where it is

  • @sreedharbhukya8301
    @sreedharbhukya8301 5 років тому

    Excellent teaching

  • @navaneethapothula7731
    @navaneethapothula7731 4 роки тому +1

    super

  • @vavuldasshireesha6503
    @vavuldasshireesha6503 6 років тому

    Sir plz provide total chapters of first year

    • @SakalaVidya
      @SakalaVidya  6 років тому +1

      ok sure,thanks for your feedback, please do share with your friends too

  • @kuttyn4417
    @kuttyn4417 3 роки тому

    sir now im inter first sir but actually im in second year so on oct month 25 th im gona write my inter first exam so what is to focus in 1a 1b?????

  • @umarhaseeb3869
    @umarhaseeb3869 3 роки тому

    THANKS SIR 👍

  • @s.k.satishchandra4481
    @s.k.satishchandra4481 6 років тому

    Pls upload shortcut methods for inverse trignometric functions pls pls

    • @SakalaVidya
      @SakalaVidya  6 років тому +1

      Thanks for your feedback,sure we will

    • @sreenivasulareddy8738
      @sreenivasulareddy8738 5 років тому

      @@SakalaVidya could you please upload information about the trigonometric equations

  • @tamisettyprasadu7361
    @tamisettyprasadu7361 4 роки тому

    Nice sir

  • @madhanmohan1043
    @madhanmohan1043 7 років тому

    Nice video but plz put equal to(=) before the bar in division

  • @Bunnyomkar
    @Bunnyomkar Рік тому

    Cos(A+B) =CosA CosB+SinA SinB

  • @nareshynr4216
    @nareshynr4216 7 років тому +3

    l like it

    • @SakalaVidya
      @SakalaVidya  7 років тому

      Thanks for your feedback, please follow us and also share with your friends too..

  • @malathiyandapalli6071
    @malathiyandapalli6071 2 роки тому

    Can anyone can share the link of the previous video plzz

  • @vikram-v4227
    @vikram-v4227 5 років тому

    Where is trigonometry ratios video

  • @bhavbhavamuna6680
    @bhavbhavamuna6680 7 років тому +1

    Thanku soo much sir

    • @SakalaVidya
      @SakalaVidya  7 років тому

      thanks for your feedback.plz follow us for more updates

  • @pittuvaraprasad9237
    @pittuvaraprasad9237 4 роки тому

    Thnk you sir.namaste.🙏🙏

  • @shashankshashiyt4858
    @shashankshashiyt4858 6 років тому

    Nice explaination but I need physics diplama 1st year can u please provide me

    • @SakalaVidya
      @SakalaVidya  6 років тому +1

      thanks for your feedback, Please like, Subscribe & share with your friends too

  • @leenakadam1715
    @leenakadam1715 4 роки тому

    Nice handwriting

  • @erusavadlabikshapathy6421
    @erusavadlabikshapathy6421 6 років тому +1

    Thanku sir

    • @SakalaVidya
      @SakalaVidya  6 років тому

      thanks for your feedback, please follow us and also share with your friends too

  • @MR_KALKI-g9j
    @MR_KALKI-g9j 5 років тому

    Thank you sir for this video

    • @SakalaVidya
      @SakalaVidya  5 років тому

      Thanks for your feedback,please do share our videos with your friends too....

    • @MR_KALKI-g9j
      @MR_KALKI-g9j 5 років тому

      Sure sir

    • @SakalaVidya
      @SakalaVidya  5 років тому

      tq