The angle between the lines \[x\cos {{30}^{o}}+y\sin 30{}^\circ =3\] and \[x\cos {{60}^{o}}+y\sin {{60}^{o}}=5\] is

The angle between the lines \[x\cos {{30}^{o}}+y\sin 30{}^\circ =3\] a

1.	The angle between the lines \[x\cos {{30}^{o}}+y\sin 30{}^\circ =3\] and \[x\cos {{60}^{o}}+y\sin {{60}^{o}}=5\] is
A.	\[{{90}^{o}}\]
B.	\[{{30}^{o}}\]
C.	\[{{60}^{o}}\]
D.	None of these
Answer» C. \[{{60}^{o}}\]

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The angle between the lines \[x\cos {{30}^{o}}+y\sin 30{}^\circ =3\] and \[x\cos {{60}^{o}}+y\sin {{60}^{o}}=5\] is

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