(a)[2]
State the greatest and least values of $y$.
(b)[2]
Sketch the curve.
(c)[1]
State how many solutions the equation $2 + 3\sin \frac{1}{2}x = 5 - 2x$ has for $0 \leq x \leq 4\pi$.
Mathematics 9709 · AS & A Level · Trigonometry
Trigonometry — practice question
The curve is given by $y = 2 + 3\sin \frac{1}{2}x$ for $0 \leq x \leq 4\pi$.