`int_((-pi)/(2))^((pi)/(2))((cos x)/(1-e^(x)))dx=`

int_((-pi)/(2))^((pi)/(2))cos x*dx

int_(-(pi)/(2))^((pi)/(2))cos x*dx

Examples: int_(-(pi)/(2))^((pi)/(2))(x sin x)/(e^(x)+1)dx

The value of int_(-(pi)/(2))^(pi/2)(x^(2)cosx)/(1+e^(x))dx is equal to

int_(-(pi)/(2))^((pi)/(2))(e^(|sin x|)cos x)/(1+e^(tan x))dx is equal to (a) e+1 (b) 1-(pi)/(2)e(c)e-1(d) none of these

The value of int_(-pi//2)^(pi//2) (x^(2)cos x )/(1+e^(x)) dx is equal to

int_((pi)/(3))^((pi)/(2))(sqrt(1+cos x))/((1-cos x)^((5)/(2)))dx

Evaluate of each of the following integral: int_(-pi//2)^(pi//2)(cos^2x)/(1+e^x)dx

Evaluate: int_(-pi/2)^( pi/2)(x sin x)/(e^(x)+1)dx