`int(costheta d theta)/((1-sintheta)(2-sintheta))`

Evaluate: int(costheta)(d theta)/((2+sintheta)(3+4sintheta)\

Evaluate: int_0^(pi//2)(costheta)/((1+sintheta)(2+sintheta)) d theta

Evaluate: int_(0)^(pi/2)(costheta)/((1+sintheta)(2+sintheta))d theta .

Evaluate int_(0)^(pi//2)(costheta)/((1+sintheta)(2+sintheta))d theta

Evaluate the following integrals: int (costheta)/((2+sintheta)(3+4sintheta))d theta

Prove that (1+costheta+sintheta)/(1-costheta+sintheta)=cot(theta/2)

(sintheta)/(1+costheta) is equal to (a) (1+costheta)/(sintheta) (b) (1-costheta)/(costheta) (c) (1-costheta)/(sintheta) (d) (1-sintheta)/(costheta)

Evaluate intcos2theta log((costheta+sintheta)/(costheta-sintheta))d theta

Given x^2=cos2theta Show that tan^-1((costheta+sintheta)/(costheta-sintheta))=pi/4+theta

Prove that (frac(1+sintheta)(1+costheta)) + (frac(1-sintheta)(1-costheta)) = 2(cosec^2theta-cottheta)