int_(0)^( pi/2)(sin theta)/(sqrt(1+cos theta))d theta

int(sin^(3)theta)/(sqrt(cos theta))d theta

int_(0)^(2pi) (sin 2 theta)/(a-b cos 2 theta )d theta =

Evaluate: int_(0)^( pi/2)(cos theta)/((1+sin theta)(2+sin theta))dth eta

" The value of the integral "int_(0)^( pi/2)(12sqrt(cos theta))/((sqrt(cos theta)+sqrt(sin theta))^(5))d theta" equals "...

int_(0)^(pi//2) (cos theta)/(sqrt(4-sin^(2)theta))d theta is equal to