1+4sin^4A-2sin^2A/cos^4A-sin^4A = 2cos^2A-1

Question

1+4sin^4A-2sin^2A/cos^4A-sin^4A = 2cos^2A-1

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Katherine 4 weeks 2021-09-21T22:31:59+00:00 1 Answer 0 views 0

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  1. Answer:

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