Mathematics 0580 · IGCSE · Trigonometric functions

Trigonometric functions — practice question

(main)[3]

Solve $3\tan x = -4$ for $0^\circ \le x \le 360^\circ$.

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This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Either 126.9 or 306.9” …

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