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