int(x+sin x)/(1+cos x)dx" is equal to "

int(sin x)/(1-cos x)dx

int(sin x)/(1+cos x)dx

int e^(x)(1+sin x)/(1+cos x) dx is equal to

int (sin^(2)x)/(1+cos x) dx is equal to

int e^x (sin x + cos x)dx is equal to :

int (sin x)/(1 + cos x) dx .

If int_(0)^((pi)/(2))(dx)/(1+sin x+cos x)=In2, then the value of int_(0)^((pi)/(2))(sin x)/(1+sin x+cos x)dx is equal to:

int (sin x + cos x)dx is equal to :

int (sin x - cos x)dx is equal to :