\sin 65^{\circ}+\cos 65^{\circ}=\sqrt{2} \cos 20^{\circ} \text { (ii) – InterviewSolution

1.	\sin 65^{\circ}+\cos 65^{\circ}=\sqrt{2} \cos 20^{\circ} \text { (ii) } \cos 18^{\circ}-\sin 18^{\circ}=\sqrt{2} \sin 27^{\circ}
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