1/1+sin (theta) + 1/1-sin (theta)`

prove that 1/(cosec theta-cot theta) - 1/(sin theta) = 1/sin theta - (1)/(cosec theta + cot theta)

If sec^2 theta (1 + sin theta) (1 — sin theta) = k , then find the value of k.

Prove that : (1+ sin theta)/(1-sin theta) = tan^2 (pi/4 + theta/2)

Prove that (1+sin 2theta)/(1-sin 2theta) = ((1+tan theta)/(1-tan theta))^2

If -pi lt theta lt -(pi)/(2)," then " |sqrt((1-sin theta)/(1+sintheta))+sqrt((1+sin theta)/(1-sin theta))| is equal to :

Prove that (costheta)/(1-sin theta)+(1-sin theta)/(cos theta)=2sec theta .

Prove that (1+sin theta)/(1-sin theta)=(sec theta+tantheta)^(2)

Prove the following identities : sqrt((1+sin theta)/(1-sin theta)) = sec theta + tan theta where theta is a acute

1+sin(theta)/sin(theta)

Where defined, (1-sin theta)/(1-cos theta)=