Prove that sec⁴A - sec²A = tan⁴A + tan²A

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Prove that sec⁴A - sec²A = tan⁴A + tan²A
sec^4a-sec^2a=tan^4a+tan^2a
Prove that tan^4A + tan^2A = sec^4A - sec^2A
prove sec^4A-sec^2A=tan^4A+tan^2A
sec⁴A - tan²A = tan⁴A + tan²A
#math #trigonometry
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