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Prove (sec^4 θ-sec^2 θ)=(tan^2 θ+tan^4 θ)
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Grade10 prove that (sec4 theta - sec2 theta) = ( tan2 theta + tan 4 theta)
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Prove (sec^4 θ-sec^2 θ)=(tan^2 θ+tan^4 θ)
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if `sec^(2)theta+tan^(@)theta=(7)/(12)`, then `sec^(4)theta-tan^(4)theta=`
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`sec^4A-sec^2A=tan^4A+t a n^2A`
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