Mathematics, 02.12.2020 16:20 maggie123456751

Find the exact value of sin2A, cos2A, and tan2A. Given:secA = -25/7 and pi/2 <A <pi

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Find the exact value of sin2A, cos2A, and tan2A. Given:secA = -25/7 and pi/2 <A <pi...

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