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Question Number 185511 by mathlove last updated on 23/Jan/23

Answered by Frix last updated on 23/Jan/23

$$\frac{1}{2-\sqrt{3}}=2+\sqrt{3}=t$$$$t^{-\cos x}=t^{\sin x}$$$$-\cos x=\sin x$$$$\frac{\cos x}{\sin x}=-1$$

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