`int_(20 pi+(pi)/(6))^(20 pi+(pi)/(3))(sin x+cos x)dx`

int_((pi)/(5))^(3(pi)/(10))(sin x)/((sin x+cos x)dx)

Evaluate: int_(-(pi)/(4))^(n pi-(pi)/(4))|sin x+cos x|dx

Evaluate the definite integrals int_((pi)/(6))^((pi)/(3))(sin x+cos x)/(sqrt(sin2x))dx

int_ (0) ^ ((pi) / (2)) (sin x) / (sin x + cos x) dx = int_ (0) ^ ((pi) / (2)) (cos x) / (sin x + cos x) dx = int_ (0) ^ ((pi) / (2)) (dx) / (1 + cot x) = int_ (0) ^ ((pi) / (2)) (dx) / ( 1 + time x) = (pi) / (4)

int_(-(pi)/(2))^((pi)/(2))[sin|x|-cos|x|dx

int_(-(pi)/(4))^((pi)/(4))(2 pi+sin2 pi x)/(2-cos2x)dx

if int_(-(pi)/(2))^((pi)/(2))(sin^(3)x+cos^(3)x)dx

Evaluate : int_((pi)/(6))^((pi)/(3)) cos x dx .