Please answer the questions Urgently needed Find the derivative of the following function : a) y = Cos - Maths - Limits and Derivatives

Question

Please answer the questions Urgently needed
Find the derivative of the following function :
a) y = C o s   2 x ,with respect to x, by using first
principle
b) y = x 2   +   sin   x x cos   x with respect
to x

Amit Shukla · Accepted Answer

Kindly, refer to the below link for similar query,
(a) 
https://www meritnation
com/ask-answer/question/find-the-derivative-of-f-x-root-cosx-by-first-prnciple/math/4244297

(b) 
https://www meritnation
com/ask-answer/question/differentiate-x2-sinx-divided-by-xcosx/limits-and-derivatives/7215591
Regards

Please answer the questions. Urgently needed. Find the derivative of the following function : a) y = C o s 2 x ,with respect to x, by using first principle b) y = x 2 + sin x x cos x with respect to x.

Please answer the questions. Urgently needed.
Find the derivative of the following function :
a) y = $\sqrt{C o s 2 x}$ ,with respect to x, by using first principle
b) y = $\frac{x^{2} + \sin x}{x \cos x}$ with respect to x.