# Solution: Integrate the square root of (1 – cos x) dx.

Integrate the square root of (1 – cos x) dx. How to find the integral of trigonometric function?

#### Problem Statement: ECE Board November 1998

Integrate the square root of (1 – cos x) dx.

The integral of the trigonometric function is -2√2 cos (x/2) + C.

Solution: