int_(0)^( pi)x sin^(4)xdx

"int_(0)^( pi)x sin^(2)xdx

int_(0)^( pi)x sin^(3)xdx

valuate the following integrals: int_(0)^( pi)x sin^(2)xdx

int_(0)^( pi/4)sin^(4)xdx

int_(0)^( pi)x sin^(-1)xdx

Evaluate: int_(0)^( pi/2)sin^(4)xdx

Evaluate : int_(0)^( pi/4)x sin^(2)xdx

Prove that, int_(0)^(6pi)sin^(4)xdx=6int_(0)^(pi)sin^(4)xdx

Show that, int_(0)^(pi)sin^(4)xdx=2int_(0)^((pi)/(2))sin^(4)xdx , hence, find the value of int_(0)^(pi)sin^(4)xdx .

int_(0)^( pi)x sin^(7)x cos^(6)xdx