Yes, that's a good question. Actually, with cos3x - sin3x, we cannot obtain the required answer. Moreover, in earlier( previous years) editions of the maths books, it was written in cubic form, which made it clear. This is another printing mistake in the book. Unfortunately, the book contains many errors; sometimes we catch them, but at other times, they go unnoticed.
Beta, simply memorizing formulas isn't enough. It's far more important to understand their applications and the underlying patterns. Focus on truly grasping the concepts.Do watch introduction of my video, I hope it will help you insha'Allah, Stay blessed.
I am understanding your way of explaining
Good great 👍
Madam i am thankful you make lesson easy to learn
Mam thank u so much for your great effort to us 💓 stay blessed
Thankyou mam very easy Question❤😊
Thank you,it is a great help ❤
jizakaAllahukhair Mam ...Allah Pak apko duniya or Akhirat dono mn kamiyabiyan ata farmaye Ameen
Stay blessed beta 🙌
Thank you ma'am ❤
Great lessons, madam.please uplod remiaing chapters as in this week, I need it urgently
Ok beta, I will try
Thank you ma'am samreena, you are best lecturer, no one explain better than you ❤
Thank you beta, stay blessed ❤️
Aoa dear mam bundle of thanks ❤
Welcome beta, stay blessed 🙌
Mam 8.3 kab ay gi plzz
Tomorrow insha'Allah
Keep it up
jazakAllah Khair ma'am,, kindly upload exercise 8.3 as well.
Mam plz tell that in Q8 part (xiv) dont we have cos 3x -sin 3x but you have sloved by viewing it as cube …like cos^3 x -sin ^3 x ?
Yes, that's a good question. Actually, with cos3x - sin3x, we cannot obtain the required answer. Moreover, in earlier( previous years) editions of the maths books, it was written in cubic form, which made it clear. This is another printing mistake in the book. Unfortunately, the book contains many errors; sometimes we catch them, but at other times, they go unnoticed.
There is mistake in book so that’s why mam does
class 11 exercise 8.3 plz
Ma'am kindly tells us about any tricks/mnemonic to learn these formula
Beta, simply memorizing formulas isn't enough. It's far more important to understand their applications and the underlying patterns. Focus on truly grasping the concepts.Do watch introduction of my video, I hope it will help you insha'Allah, Stay blessed.
If thita lies between 270 and 360
Then thita by 2 lies between 135 and 180 which is quadrant 2 so cos@/2 is negative q4 part iii
It was not requirement of questions, that's why we only give the value of half angle.but if you want to mention sign, you can.
Mam when will u upload chp 9
❤❤❤
Thankyou so much ma'am ❤
Please please please upload chapter 4 and 5 pleaseeee!
Ok insha'Allah
Easy
Triple identities samjai ni ha ap na
Ok, I will make another video to explain it
Ma'am we are on chapter 4, plz upload chapter 4. Thanks 😢
Mam thank u so much for your great effort to us 💓 stay blessed