Derivative of cos2x
What is derivative?
Derivative of a function is defined as the rate of change of the function with respect to a variable.
What is formula for derivative of cos2x.
Formula for the derivative of cos2x is: (d/dx) cos2x = -2cosx.sinx
What are different methods to prove derivative of cos2x?
Different methods to prove derivative of cos2x are:
- By using First Principle of Derivative
- By Product Rule
- By Chain Rule
What is formula for cos square x?
Formula for cos2x in trigonometry is cos2x = 1 – sin2x.
What is derivative of cos square x cube?
Derivative of cos square x cube is, d(cos2(x3))/dx = -3 sin(2x3).
What is derivative of sin square x?
The derivative of sin square x is 2 sin 2x
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.