Trigonometry
Exact values in right-angled triangles
Interactive practice questions
Write down the exact value of $\sin60^\circ$sin60°.
Easy
< 1min
Write down the exact value of $\cos60^\circ$cos60°.
Easy
< 1min
Write down the exact value of $\tan30^\circ$tan30°.
Easy
< 1min
Evaluate $\sin45^\circ+\cos60^\circ$sin45°+cos60°, leaving your answer in exact form.
Easy
1min
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