2025 IGCSE 0580 May/June P22 Q22

2025 IGCSE 0580 May/June P22 Q22

4 marks
  1. Write down the exact value of \(\tan60^\circ\).[1]
  2. Solve \(2\sin x-1=0\) for \(0^\circ\le x\le360^\circ\).[3]

Solution:

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Answer:(a) \(\sqrt3\). (b) \(x=30^\circ\) or \(150^\circ\).

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