Sin 1 x cos 1 x pi 2 July 8, 2019 16 32 64 128 Prove sin 1 x )+ cos 1 x )= pi 2 Sin 1 x 2 )+ cos 1 x )= pi 6 Using derivative prove that sin (- 1 x cos (- 1 x =( pi )/( 2 Sin (- 1 x cos (- 1 2x =( pi )/( 6 Int _(- pi pi )( 2x 1 sin x 1 cos 2 x dx
