" (i) "int_(0)^((pi)/(2))(dx)/(3+2cos x)

int_(0)^((pi)/(2))(dx)/(1+2cos x)

int_(0)^(pi//2) (1)/(4+3 cos x)dx

int_(0)^(pi//2) (1)/(4+3 cos x)dx

int_(0)^((pi)/(2))(x sin x*cos x)dx

I=int_(0)^((pi)/(2))(2cos x+3)/((cos x+3)^(2))dx

int_(0)^((3)/(2))|x cos pi x|dx

u,=int_(0)^((pi)/(2))cos((2 pi)/(3)sin^(2)x)dx and v,=int_(0)^((pi)/(2))cos((pi)/(3)sin x)dx

If A=int_((rho)/(2))^((pi)/(2))cos(sin x)dxB=int_(0)^((pi)/(2))sin(cos x)dx and C=int_(0)^((pi)/(2))cos(x)dx

int_(0)^(pi) dx/(3+2sin x + cos x) =