Mathematics 9709 · AS & A Level · Trigonometry

Trigonometry — practice question

(main)[5]

Solve the equation $\sec^2\theta + 5\tan^2\theta = 9 + 17\sec\theta$ for $0^\circ < \theta < 360^\circ$.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Try to rewrite the equation using only $\sec\theta$” …

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