The resultant of $\overrightarrow P $ and $\overrightarrow Q $ is perpendicular to $\overrightarrow P $. What is the angle between $\overrightarrow P $ and $\overrightarrow Q $
The resultant of $\overrightarrow P $ and $\overrightarrow Q $ is perpendicular to $\overrightarrow P $. What is the angle between $\overrightarrow P $ and $\overrightarrow Q $
- A
${\cos ^{ - 1}}(P/Q)$
- B
${\cos ^{ - 1}}( - P/Q)$
- C
${\sin ^{ - 1}}\,(P/Q)$
- D
${\sin ^{ - 1}}\,( - P/Q)$
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