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Question Number 31548 by de best last updated on 10/Mar/18

$$simplifycosx+\sqrt{3}sinxasa$$$$singletrigonometryratio$$

Answered by $@ty@m last updated on 10/Mar/18

$$\cos x+\sqrt{3}\sin x$$$$=2(\frac{1}{2}\cos x+\frac{\sqrt{3}}{2}\sin x)$$$$=2(\sin 30\cos x+\cos 30\sin x)$$$$=2\sin (x+30)$$

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