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Solve the equation $3\cot x - 4\cot 2x = 3$ for angles $x$ with $0^{\circ} \leq x \leq 180^{\circ}$.
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: “Use the correct trigonometric formulae to produce an equation containing only $\tan x$, or alternatively only $\sin x$ and $\cos x$” …
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