" The value of integral "int_((pi)/(4))^((4)/(4))(x)/(1+sin x)dx" is : "

The value of the integral int_(-(3 pi)/(4))^((pi)/(4))((sin x+cos x)/(e^(x-(pi)/(4))+1))dx(A)0(B)1(C)2(D) none of these

The value of the integral int_(0)^((pi)/(4))(sinx+cosx)/(3+sin2x)dx is equal to-

The value of integral int_(-pi//4)^(pi//4) sin^(-4) x dx is :

The value of the definite integral int_(-(pi)/(4))^((pi)/(4)) (dx)/((1+e^(x cos x))(sin^(4)x +cos^(4)x)) is equal to

The value of int_(-(pi)/(4))^((pi)/(4)) x^(3) sin^(4) x dx is equal to -

If the value of the definite integral int_((pi)/(6))^((pi)/(4))(1+cot x)/(e^(x)sin x)dx, is equal to ae^(-(pi)/(6))+be^(-(pi)/(4)) then (a+b) equals

The value of the integral int_(0)^(pi//4) (sinx+cosx)/(3+sin2x)dx ,is

The value of the integral int_(-pi//4)^(pi//4) sin^(-4)x dx , is