Mathematics 0580 · IGCSE · Trigonometric functions

Trigonometric functions — practice question

(main)[1]

Use a calculator to calculate $\sqrt{1-(\sin 33^{\circ})^2}$.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$0.839$, or more exactly $0.8386$ to $0.8387$” …

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