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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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