Mathematics, 31.12.2020 14:00 Krch1401

Prove that sin²a + cos²a = 1 and = $\frac{1}{cos^{2}a }$ + tan²a (a not alpha)

Prove that sin²a + cos²a = 1 and = + tan²a (a not alpha)

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Prove that sin²a + cos²a = 1 and = + tan²a (a not alpha)
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