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Find the solution to the equation $2\sin(\theta + 30^\circ) + 5\cos\theta = 2\sin\theta$ for $0^\circ < \theta < 90^\circ$.
Mathematics 9709 · AS & A Level · Trigonometry
Find the solution to the equation $2\sin(\theta + 30^\circ) + 5\cos\theta = 2\sin\theta$ for $0^\circ < \theta < 90^\circ$.
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Write the first term as $2\sin\theta\cos30 + 2\cos\theta\sin30$” …