Prove that `2sec^2theta-sec^4theta-2c o s e c^2theta+c o s e c^4theta=(1-tan^(8)theta)/(tan^4theta)`

Prove that: 2s e c^2theta-s e c^4theta-2cos e c^2theta+cos e c^4theta=(1-t a n^8theta)/(t a n^4theta)

Prove that: 2sec^(2)theta-sec^(4)theta-2csc^(2)theta+csc^(4)theta=(1-tan^(8)theta)/(tan^(2)theta)

Prove that 2sec^2theta-sec^4theta-2 cosec^2theta+cosec^4theta=cot^4theta-tan^4theta

2sec^2theta-sec^4theta-2cosec^2theta+cosec^4theta=cot^4theta-tan^4theta .

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

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

Prove: cos e c^2theta+sec^2theta=cos e c^2thetasec^2theta

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