2026 CVSS P1 Q13

2026 CVSS P1 Q13

Secondary 4
3 marks

Given that \(\theta\) is obtuse, \(\sin\theta=p\), express, in terms of \(p\), \(\cos(\theta+60^\circ)\).[3]

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Answer:\(-\dfrac{\sqrt{1-p^2}+\sqrt3p}{2}\).

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