MCQOPTIONS
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MCQOPTIONS
| 1. |
The sine of the angle between vectors \(\vec a = 2\hat i - 6\hat j - 3\hat k\) and \(\vec b = 4\hat i + 3\hat j - \hat k\) is |
| A. | \(\frac{1}{{\sqrt {26} }}\) |
| B. | \(\frac{5}{{\sqrt {26} }}\) |
| C. | \(\frac{5}{{26}}\) |
| D. | \(\frac{1}{{26}}\) |
| Answer» C. \(\frac{5}{{26}}\) | |