" (i) "(1-sin^(2)theta)sec^(2)theta=1

Show that: (a) (1-sin^(2)theta)sec^(2)theta=1 (b) (1+tan^(2)theta)cos^(2)theta=1

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

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

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

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

Prove that : sec^(2)theta - cos^(2) theta = sin^(2)theta(sec^(2)theta + 1)

Prove that : sec^(2)theta - cos^(2) theta = sin^(2)theta(sec^(2)theta + 1)

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

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