Mathematics 9709 · AS & A Level · Differentiation

Differentiation — practice question

The curve is defined by $y = 3\cos 2x + 7\sin x + 2$.
(main)[7]

Determine the $x$-coordinates of the stationary points for the interval $0 \leq x \leq \pi$. State each result correct to $3$ significant figures.

Worked solution & mark scheme

This 7-mark question has a full step-by-step worked solution and mark scheme. One marking point: Differentiate to get an expression in the form $a\sin 2x + b\cos x$

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