SOLVED: sin u cos u du, where at least one of the exponents is odd: Which trigonometric identity to use to transform the given integrand 1 - cos^2 x sin^2 x =
integration of 1 cos2x/2 from pi to 0 (these are limits) is equal to (a) pi/4 (b) pi/2 (c) pi/3 (d) pi
int(dx)/((1+cos2x)(1-tan^2 x))=
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