math
posted by abhi .
Integrate sinx/sinxcosx..... Plz note sinxcosx as a whole is in the denominator..

use the good old quotient rule:
if y = u/v, y' = (u'v  uv')/v^2
u = sinx
v = sinx  cosx
y' = [(cosx)(sinxcosx)  (sinx)(cosx+sinx)]/(sinxcosx)^2
you can play with that some, but I like
1/(sin(2x)1)