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Showing all necessary working, solve the equation $\cot 2\theta = 2\tan \theta$ for $0^\circ < \theta < 180^\circ$.
Mathematics 9709 · AS & A Level · Trigonometry
Trigonometry — practice question
Worked solution & mark scheme
This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Use suitable trigonometric formulae to obtain an equation in $\tan\theta$ or an equivalent form” …
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