Practice Problems on Derivative of cos2x
Various practice questions related to derivative of e2x are,
Q1: Find the derivative of the function f(x) = cos2(x2+4x)
Q2: Find the derivative of the function f(x) = sec2x + cos2x
Q3: Find the value of f'(x), if f(x) = cos4x
Q4: If y = cos2x – sin2x, then find the value of dy/dx.
Q5: If y = (cos2x)/x, find the value of dy/dx.
Derivative of Cos Square x
Derivative of cos2x is (-2cosxsinx) which is equal to (-sin 2x). Cos2x is square of trigonometric function cos x. Derivative refers to the process of finding the change in the cos2x function with respect to the independent variable.
In this article, we will discuss the derivative of cos2x with various methods to find it including the first principle of differentiation, chain rule, and the product rule, solved examples, and some practice problems on it.