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Rearrange the equation $\tan(x + 45^\circ) = 2\cot x + 1$ into a quadratic in $\tan x$, then solve it for $0^\circ < x < 180^\circ$.
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: “Apply the correct trigonometric formula to produce an equation in $\tan x$” …
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