For what values of x does f(x) = x - 2 cos x have a horizontal tangent
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For what values of x does f(x) = x - 2 cos x have a horizontal tangent line?
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Related Book For
Calculus Early Transcendentals
ISBN: 978-0321947345
2nd edition
Authors: William L. Briggs, Lyle Cochran, Bernard Gillett
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