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Solve the equation $8 + \cot\theta = 2\csc^2\theta$, and give every solution in the interval $0^\circ \leq \theta \leq 360^\circ$.
Mathematics 9709 · AS & A Level · Trigonometry
Trigonometry — practice question
Worked solution & mark scheme
This 6-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Apply a valid trigonometric identity to form a quadratic in $\cot\theta$ or $\tan\theta$.” …
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