Prove `1/(1+sintheta)+1/(1-sintheta) = 2 sec^2 theta`

((1+sintheta))/((1-sintheta))=?

Prove that- (1+sintheta)/(1-sintheta)= (sectheta+tantheta)^2

Prove that: sqrt((1-sintheta)/(1+sintheta))= sec theta- tan theta when (-pi/2) < theta < pi/2 and -sec theta+tan theta when pi/2< theta< (3pi)/2

Prove that- (1-sintheta)/(1+sintheta)= (sectheta-tantheta)^2

Prove that sqrt((1+sintheta)/(1-sin theta))=sectheta+tantheta .

sqrt((1+sintheta)/(1-sintheta)) = __.

Prove that: sqrt((1-sintheta)/(1+sintheta))=sectheta -tan theta .

(sintheta)/(1+costheta) + (1+costheta)/(sintheta) = 2 cosec theta

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