@aruwin-WQ7eeu
•
Oct 12, 2024
Oct 12, 2024
1.1K
integratation
Hi again,I have another problem to solve.
What is the integral of cos^3xcos3x dx from 0 to pi/2??
I tried to use:
cos^3x=(1-sin^2x)cosx
=cosx-sin^2xcosx
So now it becomes IN{0 to...