Question: A curve C has equation y = 5 sin 3x + 2 cos 3x, - < x < a. Show that the point P

A curve C has equation y = 5 sin 3x + 2 cos 3x, -π < x < π

a. Show that the point P (0, 2) lies on C.

b. Find an equation of the normal to the curve C at P.

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