Solution: What is the derivative with respect to x of 2 cos^2⁡(x^2 + 2) ?

What is the derivative with respect to x of 2 cos^2⁡(x^2 + 2)? How to find the derivative of trigonometric functions involving half-angle identities and double angle identities?

What is the derivative with respect to x of 2 cos^2⁡(x^2 + 2) ?

Problem Statement: CE Board November 1995

What is the derivative with respect to x of 2 cos^2⁡(x^2 + 2)?

Problem Answer:

The derivative is equal to 8xsin(x^2 + 2)cos(x^2 + 2)

Solution:

Online Questions and Answers in Differential Calculus (LIMITS & DERIVATIVES)


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