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Solve the equation $4\sin\theta + \tan\theta = 0$ for $0^\circ < \theta < 180^\circ$.
Mathematics 9709 · AS & A Level · Trigonometry
Solve the equation $4\sin\theta + \tan\theta = 0$ for $0^\circ < \theta < 180^\circ$.
This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Replace $\tan\theta$ by $\frac{\sin\theta}{\cos\theta}$ to rewrite $4\sin\theta+\tan\theta=0$” …