Mathematics 0580 · IGCSE · Trigonometric functions

Trigonometric functions — practice question

The diagram depicts a right-angled triangle drawn to no scale. Its hypotenuse measures 14 cm, the base measures 8.5 cm, and the angle at the base is $x^\circ$.
(main)[2]

Calculate the angle $x$.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Apply $\cos^{-1}\left(\frac{8.5}{14}\right)$” …

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