Prove the following identities and give the values of x for which they are true. cos (2

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Prove the following identities and give the values of x for which they are true.

cos (2 sin-1 x) = 1 - 2x2

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Calculus Early Transcendentals

ISBN: 978-0321947345

2nd edition

Authors: William L. Briggs, Lyle Cochran, Bernard Gillett

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