(pi)/(4)int tan^(4)xdx

int_(0)^((pi)/(4))tan^(4)xdx=

int_(0)^((pi)/(4))tan^(2)xdx

int tan^(4)xsec^2xdx

underset0 overset(pi//4)int 2tan^3 xdx

int_(-(pi)/(4))^((pi)/(4))tan^(3)xdx=

find the value of int_(-(pi)/(4))^((pi)/(4))sin^(-4)xdx

int_0^(pi/4) tan^(2)xdx

Evaluate the following integral: int_(0)^( pi/4)tan^(4)xdx

int_(0)^((pi)/(4))sec^(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 .