Question

Integral of cos^
2wtdt

Answer 1

Answer:

t/2 - sin(2wt)/4w + C

Explanation:

This can best be handled by using a double angle formula to substitute for sin^2(wt)

sin^2(wt) = (1-cos(2wt))/2 = 1/2 - cos(2wt)/2.

Now just integrate each part to get

t/2 - sin(2wt)/4w + C  as your answer