hey, can someone please help me with this Q;)
note: can't find the integration symbol, so this { symbol will have to do.
Question: using the result that the {f(x) dx = { f(a-x)dx,
show that { [ (1-sin2x) over (1+ sin2x)] dx = { (tan square x)dx.
note: from cambridge ex 5.6 Q2a.