Mathematics 0580 · IGCSE · Trigonometric functions

Trigonometric functions — practice question

Given that $\sin x^\circ = 0.36$, find
(a)[1]

the acute angle $x^\circ$.

(b)[1]

the obtuse angle $x^\circ$.

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This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$21.10\ldots$ or $21.1$” …

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