" .If "I=(2)/(pi)int_(-pi)^((x)/(4))(dx)/((1+e^(sin x))(2-cos2x))" then "27I^(2)=

I=(2)/(pi) int_(-pi//4)^(pi//4) (dx)/((1+e^(sinx))(2-cos2x)) then find 27I^(2)

If I=(2)/(pi)int_(-pi//4)^(pi//4)(dx)/((1+e^(sin x))(2-cos 2 x)) then 27 I^(2) equals __________ .

If I=(2)/(pi)int_(-pi//4)^(pi//4)(dx)/((1+e^(sin x))(2-cos 2 x)) then 27 I^(2) equals __________ .

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

int_(-pi//4)^(pi//4)(e^(x)x sin x)/(e^(2x)-1)dx=

int_(pi//4)^(pi//2)(dx)/((1-cos2x))

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

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

If I_(1)=int_(0)^((pi)/(2))e^(sinx)(1+x cos x)dx and I_(2)=int_(0)^((pi)/(2))e^(cosx)(1-x sin x)dx, then [(I_(1))/(I_(2))] is equal to (where [x] denotes the greatest integer less than or equal to x)