(a)[5]
Find the coordinates for $A$ and $B$.
(b)[6]
Find the exact area of the shaded region.
Mathematics 9709 · AS & A Level · Trigonometry
Trigonometry — practice question
The diagram depicts the curve given by equation $y = 4\cos 2x + 8\sin x$ for $0 \leq x \leq \pi$. The curve’s maximum points are labelled $A$ and $B$, and the shaded region is enclosed by the line segment $AB$ and the curve.