" 1."int_(0)^((pi)/(4))tan^(2)xdx" is equal to "

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

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

int_(0)^((pi)/(4))logtan2xdx

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

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

int_(0)^(pi//4)2tan^(3)xdx

The value of lim_(x rarr oo)(int_(0)^((pi)/(2))sin^(2m)xdx)/(int_(0)^((pi)/(2))sin^(2m+1)xdx) is equal to

int_(0)^((pi)/(2))sin2x log tan xdx is equal to

int_(0)^((pi)/(4))log sin2xdx equals to

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