Evaluate `int{log((1+sin2theta)/(1-sintheta))^(cos^(2)theta)+log((cos2theta)/(1+sin2theta))}d theta`.

If cos theta > sin theta > 0, then evaluate : int{log((1+sin2theta)/(1-sin2theta))^(cos^(2) theta)+log((cos2theta)/(1+sin2theta))} d theta

Prove the following identities: ((1+sintheta)^2+(1-sintheta)^2)/(cos^2theta)=2((1+sin^2theta)/(1-sin^2theta))

Prove the following identities: ((1+sintheta)^2+(1-sintheta)^2)/(cos^2theta)=2((1+sin^2theta)/(1-sin^2theta))

(1+sin2theta+cos2theta)/(1+sin2theta-cos2theta)=?

Range of f(theta)=cos^2theta(cos^2theta+1)+2sin^2theta is

Prove that (1 - cos 2 theta)/( sin 2 theta) = tan theta.

(1+sin 2theta+cos 2theta)/(1+sin2 theta-cos 2 theta) =

Evaluate : int (2 sin 2 theta- cos theta)/(6 - cos^(2) theta- 4 sin theta) d theta

Evaluate: int_0^(pi/4)(tan^(-1)((2cos^2theta)/(2-sin2theta)))sec^2thetad theta .

Evaluate: int_0^(pi/4)(tan^(-1)((2cos^2theta)/(2-sin2theta)))sec^2thetad theta