How do i integrate sinx/sin4x
i did a little bit and i got :
1/4 integral of cosx/cos^2x cos2x
then i change cos^2x to (1-sin^2x) and cos2x to (1-2sin^2x)
What do i do next?
The answer is sracy.
Take a look here:
integrate sin(x)/sin(4x) - Wolfram|Alpha
Did you post the whole question?