Ex. 8.4 (Q.3,4) Chapter:8 Introduction To Trigonometry | Ncert Maths Class 10 | Cbse.

In this video I taught Q.3 and Q.4 of exercise 8.4 from chapter:8 Introduction To Trigonometry | Ncert Maths Class 10 | Cbse board.
#maths10chapter8
#trigonometry
maths class 10 ex.8.4 q.3
maths class 10 ex.8.4 q.4

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Most of the times we students have to find questions and we don't have enough time to find the exercise and the question.
And I wanted to tell you that when you record the exercise upload separate questions on UA-cam so that when we try to find a single question so then your channel appears.
It will help you to grow your channel even more.💙💙

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2024 - 2025 students in q3 its sin 90- 25 and cos 90- 25 its only a mistake okay but i solved it sir is also a human sir explanation is great 🤜🤛👍

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4:25 Q4

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sir in new d is tan2A given
and thanks for help
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i am watched your channel form class 9 1 and half you helped me thanks you

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Sir ,
Q4) we can direct use the identity sec²A - tan²A = 1
5:45
Thanks a lot sir for your videos for step by step explanation ❤️✨🌈

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11:45

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Sir q4 me aapne iv part me option me none of these kyu kha

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Sir question 4 ke 1 question me 9(sec A - tan A)
B. 9( 1 ) 😅😅😂😂

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Sir 1ke 4th ques me hai option aapne none of these kyu likha

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Sir you could have solved no 4 q 2 by putting theta = 45

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15:54...
Bt sir.....(D) option is tan²A..not none of these..👀💀🤧

[@mehrunnesha3921]

This video is almost 4 years old.
so,sir was using "2019 ncert model".
And l might think your book was updated that means in your book "d"option is (tan2A) but in "2019 edition" the "d" option is "non of these"

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In the second question 4th step it's show that -(1)^2 but the next step it should be +1 not -1

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Sir tan2 A hai question 4th ke iv part mai d option tan2A

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Yes bro you are right Ex8.4 q4 iv part D option is tan²A......

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First part of 4 question is incorrect as you cannot cut trigonometry ratio

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8.4 ka option h tan sq A h

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