Question: Determine the point(s) in the interval (0, 2) at which the graph of (x) = 2 cos x + sin 2x has a horizontal tangent.
Determine the point(s) in the interval (0, 2π) at which the graph of ƒ(x) = 2 cos x + sin 2x has a horizontal tangent.
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fx 2 cos x sin 2x 0 x 2 fx 2 sin x 2 cos 2x 2 sin ... View full answer
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