The value \[\cos 105{}^\circ +\sin 105{}^\circ \]is [MNR 1975]

1.	The value \[\cos 105{}^\circ +\sin 105{}^\circ \]is [MNR 1975]
A.	\[\frac{1}{2}\]
B.	1
C.	\[\sqrt{2}\]
D.	\[\frac{1}{\sqrt{2}}\]
Answer» E.

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The value \[\cos 105{}^\circ +\sin 105{}^\circ \]is [MNR 1975]

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