Solve the following equations. cos 2 = 1/2, 0 < 2

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Solve the following equations.

cos2 θ = 1/2, 0 ≤ θ < 2π

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Calculus Early Transcendentals

ISBN: 978-0321947345

2nd edition

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

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