(1)/(1+sin A)+(1)/(1-sin A)=2sec^(2)A

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

sqrt((1-sin A)/(1+sin A))+sqrt((1+sin A)/(1-sin A))=2sec A

tan (45 ^ (@) + (A) / (2)) = sqrt ((1 + sin A) / (1-sin A)) = sec A + tan A

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

Prove the following trigonometric identities: cos^(2)theta+(1)/(1+cot^(2)theta)=1 (ii) (1)/(1+sin theta)+(1)/(1-sin theta)=2sec^(2)theta

cot^(2)A((sec A-1)/(1+sin A))+sec^(2)A((sin A-1)/(1+sec A))=0

(cot^(2)A(sec A-1))/(1+sin A)=sec^(2)A((1-sin A)/(1+sec A))

Prove the following identities: (sin A+sec A)^(2)+(cos A+csc A)^(2)=(1+sec A csc A)^(2)cot^(2)A((sec A-1)/(1+sin A))+sec^(2)A((sin A-1)/(1+sec A))=0

Prove that (cos A)/(1+sin A)+(1+sin A)/(cos A)=2sec A

Prove that :(1-sin A)/(1+sin A)=(sec A-tan A)^(2)