(a)[2]
Draw the graph of $y = \sin x$ for $0^\circ \le x \le 360^\circ$.
(b)[3]
Solve $3\sin x + 1 = 0$ for $0^\circ \le x \le 360^\circ$.
Mathematics 0580 · IGCSE · Trigonometric functions
Trigonometric functions — practice question
The diagram shows a pair of axes, with $x$ marked from $0$ to $360$ and $y$ marked from $-1$ to $1$.
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Accurate sketch passing through $(0,0)$, $(180,0)$, $(360,0)$” …
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