Mathematics 9709 · AS & A Level · Trigonometry

Trigonometry — practice question

(main)[5]

By rewriting the equation $\tan(\theta + 60^\circ) + \tan(\theta - 60^\circ) = \cot\theta$ entirely in terms of $\tan\theta$, Solve the equation for $0^\circ < \theta < 90^\circ$.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: Apply the correct $\tan(A\pm B)$ identity and write the left-hand side in terms of $\tan\theta$

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