sec^(4)A(1-sin^(4)A)-2tan^(2)A=1

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Prove: sec^4A(1-sin^4A)-2tan^2A=1

Prove that: sec^4A(1-sin^4A) -2 tan^2A=1 .

Prove the following identities : sec^(4) A (1 - sin^(4) A) - 2 tan^(2) A = 1

sec^(4)theta(1-sin^(4)theta)-2tan^(2)theta=1

Prove that following identities sec^(4)theta(1-sin^(4)theta)-2tan^(2)theta=1

sec^(4)alpha(1-sin^(4)alpha)-2tan^(2)alpha=?

prove that 1+2sec^(2)A*tan^(2)A-sec^(4)A-tan^(4)A=0

If sec A=(17)/(8), verify that (3-4sin^(2)A)/(4cos^(2)A-3)=(3-tan^(2)A)/(1-3tan^(2)A)

If sin^(4)A+sin^(2)A=1 then prove that (1)/(tan^(4)A)+(1)/(tan^(2)A)=1