If a unit vector lies in yz?plane and makes angles of \[{{30}^{o}}\] and \[{{60}^{o}}\] with the positive y-axis and z-axis respectively, then its components along the co-ordinate axes will be

\[\frac{\sqrt{3}}{2},\,\,0,\,\,\frac{1}{2}\]

\[\frac{\sqrt{3}}{2},\,\,\frac{1}{2},\,0\]

\[0,\,\,\frac{\sqrt{3}}{2},\,\,\frac{1}{2}\]

\[\frac{\sqrt{3}}{2},\,\,0,\,\,\frac{1}{2}\]

\[0,\,\,\frac{1}{2},\,\frac{\sqrt{3}}{2}\]

If a unit vector lies in yz?plane and makes angles of \[{{30}^{o}}\] a

1.	If a unit vector lies in yz?plane and makes angles of \[{{30}^{o}}\] and \[{{60}^{o}}\] with the positive y-axis and z-axis respectively, then its components along the co-ordinate axes will be
A.	\[\frac{\sqrt{3}}{2},\,\,\frac{1}{2},\,0\]
B.	\[0,\,\,\frac{\sqrt{3}}{2},\,\,\frac{1}{2}\]
C.	\[\frac{\sqrt{3}}{2},\,\,0,\,\,\frac{1}{2}\]
D.	\[0,\,\,\frac{1}{2},\,\frac{\sqrt{3}}{2}\]
Answer» C. \[\frac{\sqrt{3}}{2},\,\,0,\,\,\frac{1}{2}\]

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If a unit vector lies in yz?plane and makes angles of \[{{30}^{o}}\] and \[{{60}^{o}}\] with the positive y-axis and z-axis respectively, then its components along the co-ordinate axes will be

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