Trigonometric Functions (id: 8a0700166)

本题目来源于试卷: Trigonometric Functions，类别为 IB数学

[问答题]
A curve is given by the enqibc)s 1.v9 gq:n 3puquatiowth c ( tyc-mnrvynhks6k 4r..)v- b1:n $ y=\cos (2 \pi \cos x)$.
Find the coordinates of all the points on the curve for which $\frac{\mathrm{d} y}{\mathrm{~d} x}=0,0 \leq x \leq \pi $.

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