Find an anti-derivative (or integral) of the following functions by the method of inspection.
cos 3x

Question

Find an anti-derivative (or integral) of the following functions by the method of inspection. cos 3x

Philoid · Accepted Answer

We know that

Therefore, the anti-derivative of cos3x is .

Find an anti-derivative (or integral) of the following functions by the method of inspection.cos 3x