Mathematics, 06.05.2020 02:14, rmcarde3453

Show the steps to derive the Pythagorean identity tan^2x= sec^2x = - 1 from sin^2x + cos²x = 1.

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Show the steps to derive the Pythagorean identity tan^2x= sec^2x = - 1 from sin^2x + cos²x = 1....