\[\frac{\sin 70{}^\circ +\cos 40{}^\circ }{\cos 70{}^\circ +\sin 40{}^\circ }=\] [CET 1986; MP PET 1999]

\[\frac{\sin 70{}^\circ +\cos 40{}^\circ }{\cos 70{}^\circ +\sin 40{}^

1.	\[\frac{\sin 70{}^\circ +\cos 40{}^\circ }{\cos 70{}^\circ +\sin 40{}^\circ }=\] [CET 1986; MP PET 1999]
A.	1
B.	\[\frac{1}{\sqrt{3}}\]
C.	\[\sqrt{3}\]
D.	\[\frac{1}{2}\]
Answer» D. \[\frac{1}{2}\]

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\[\frac{\sin 70{}^\circ +\cos 40{}^\circ }{\cos 70{}^\circ +\sin 40{}^\circ }=\] [CET 1986; MP PET 1999]

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