Prove the following identity: `sec^4theta-sec^2theta=tan^4theta+tan^2theta`

Prove the following identity: sec^(4)theta-sec^(2)theta=tan^(4)theta+tan^(2)theta

Prove the following identity : sec^4 theta- tan^4 theta =1+2 tan^2 theta .

Prove the identity sec^4 theta - sec^2 theta = tan^4 theta + tan^2 theta

Prove that sec^4theta-sec^2theta=tan^4theta+tan^2theta .

Prove the identity sec^(4)theta-sec^(2)theta=tan^(4)theta+tan^(2)theta

Prove the following identity : sec^6 theta- tan^6 theta=1+3 tan^2 theta+3 tan^4 theta .

Prove the following identity : sqrt (sec^2 theta+ cosec^2 theta)= tan theta+ cot theta= sec theta cosec theta .

Prove the following identity : 2 sec^2 theta- sec^4 theta-2 cosec^2 theta+ cosec^4 theta= cot^4 theta-tan^4 theta .

Prove the following identity: 2sec^2theta-sec^4theta-2cosec^2theta+cos e c^4theta=cot^4theta-tan^4theta

Prove the following identities: 2sec^2theta-sec^4theta-2cos e c^2theta+cosec^4 theta=cot^4theta-tan^4theta