Sec^4A - Sec^2A = .Find the answer
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Answer:
tan⁴ A+ tan² A
Step-by-step explanation:
sec⁴ A - sec ² A
= sec ² A (sec ² A - 1)
= sec² A tan ² A
= (tan² A + 1) tan² A
= tan⁴ A + tan² A
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