`int_(0)^((5pi)/2)(cosx)/(cosx+sinx)dx`

int_(0)^((pi)/2)(cos2x)/(cosx+sinx)dx=

int_(0)^( pi/2)(cosx/(cosx+sinx))dx

Evaluate : int_(0)^(pi//2)(cosx)/((3cosx+sinx))dx .

Evaluate : (i) int_(0)^(pi//2)(cosx)/((cos\ (x)/(2)+sin\ (x)/(2)))dx (ii) int_(0)^(pi//2)(cosx)/((1+cosx+sinx))dx

Evaluate the following: int_0^(pi/2) cosx/(cosx+sinx)dx

Evaluate int_0^(pi/2)cosx/(1+cosx+sinx)dx

int_(0)^(pi//2)(dx)/((cosx+2sinx))

int_(0)^(pi//2)(dx)/(2+cosx)=

int_(0)^((pi)/2)(cos^(3)x)/(sinx+cosx)dx

int_(0)^( pi/2)(cosx)/(1+sinx)dx