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Solve the equation $\sin 2x = 2\cos 2x$, for $0^\circ \leq x \leq 180^\circ$.
Mathematics 9709 · AS & A Level · Trigonometry
Trigonometry — practice question
Worked solution & mark scheme
This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Rearrange to get $\tan 2x = 2$, which gives two solutions in the required range” …
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