integrate: sin (2x)/(1+sinx)
(sin x)^2 + (cos x) ^2 = 1
sin (2x) = 2 sin x cos x
cos (2x) = (cos x)^2 - (sin x)^2
The Attempt at a Solution
I've been trying to integrate this thing for about an hour by rearranging various trig idenities with no luck. Am I missing something? I don't think this problem is supposed to be that hard. Someone please help!