Mathematics, 01.05.2021 16:50, Amari1010

Verify the identity:

2 sec^2 x − 2 sec^2 x sin^2 x − sin^2 x − cos^2 x = 1

Answers: 3

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Verify the identity:

2 sec^2 x − 2 sec^2 x sin^2 x − sin^2 x − cos^2 x = 1...