[问答题]
A curve is given by the equati6 y /o,s.bkyyp:ba r:,cl( vjsond2gwu a a ve6ycqb;a.p.8xa ;n jddh529;qk(x $y=\cos (2 \pi \sin x)$ .
Find the coordinates of all the points on the curve for which $\frac{\mathrm{d} y}{\mathrm{~d} x}=0,0 \leq x \leq \pi$ .
