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Expand $\sin(\theta + 30^\circ)$ first, then solve $\sin(\theta + 30^\circ)\csc\theta = 2$ for $0^\circ < \theta < 360^\circ$.
Mathematics 9709 · AS & A Level · Trigonometry
Trigonometry — practice question
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Write $\sin(\theta+30)$ as $\sin\theta\cos30+\cos\theta\sin30$” …
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