" (3) Fas कhlư: "(1-sin theta)/(1+sin theta)=(sec theta-tan theta)^(2)

(8) (1+sin theta)/(1-sin theta)=(sec theta+tan theta)^(2)

Prove the trigonometric identities: (1-sin theta)/(1+sin theta)=(sec theta-tan theta)^(2)

(1)/(1-sin theta)-(1)/(1+sin theta)=2sec theta*tan theta

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

Prove: (cos theta)/(1+sin theta) = sec theta - tan theta

Prove the following identity : (1-sin theta)/(1+sin theta)= (sec theta-tan theta)^2 .

Prove that: (cos theta)/(1 + sin theta) = sec theta - tan theta

Prove that : sqrt((1-sin theta)/(1+sin theta))= {(sec theta- tan theta, if -pi/2 < theta< pi/2), (-sec theta+ tan theta, if pi/2 < theta< (3 pi)/2):} .

Prove that (1+sin theta)/(1-sin theta)-(1-sin theta)/(1+sin theta)=4sec theta tan theta

sqrt((1-sin theta)/(1+sin theta))={sec theta-tan theta, if -(pi)/(2)