Test Index

NCERT Class XI Mathematics - Limits and Derivatives - Solutions

© examsnet.com
Question : 62 of 72
Marks: +1, -0
sin⁡nx\sin^n x
Solution:  
Let f (x) = sin⁡nx\sin^n x ... (i)
Differentiating (i) with respect to x, we get
ddx\frac{d}{dx} [f (x)] = nsin⁡n−1x⋅cos⁡xn \sin^{n-1} x \cdot \cos x
© examsnet.com
Go to Question: