関連ワード:  integrate sinx 1 cos 2x from 0 to pi 2    integrate xsinx 1 cos 2x from 0 to pi 2    integrate sqrt 1 cos 2x dx from 0 to pi 2    integration of 0 to pi 1 cos 2x 2    what is the integral of 1/cos^2x  
結果 : integration of 1 cos 2x 2 from 0 to pi