A unit vector in -plane makes an angle of with the vector and an angle of with the vector is |
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a) |
b) |
c) |
d) |
None of these |

A unit vector in -plane makes an angle of with the vector and an angle of with the vector is |
|||||||

a) |
b) |
c) |
d) |
None of these |

1 Answer

127 votes

**(d)**

Let the required unit vector be

Then,

…(i)

Since, makes an angle of with and an angle of with3 therefore

127 votes

127