Solve cos x=-(3)/(2) for 0 <= x<360. Give all solutions exactly.

Negative cosine

3 marks

TGM Original

Solve \(\cos x=-\frac{\sqrt3}{2}\) for \(0^\circ\le x<360^\circ\). Give all solutions exactly.[3]

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Answer:\(x=150^\circ,210^\circ\)

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