Find angle between $\vec A = 3\hat i - \hat j + 4\hat k$ and $Z-$ axis
Find angle between $\vec A = 3\hat i - \hat j + 4\hat k$ and $Z-$ axis
- A
${\tan ^{ - 1}}\,\left( {\frac{{\sqrt {22} }}{4}} \right)$
- B
${\tan ^{ - 1}}\,\left( {\frac{{\sqrt {10} }}{4}} \right)$
- C
${\sin ^{ - 1}}\,\left( {\frac{{\sqrt {10} }}{4}} \right)$
- D
${\sin ^{ - 1}}\,\left( {\frac{4}{{\sqrt {26} }}} \right)$
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