What is the angle between $\overrightarrow P $ and the resultant of $(\overrightarrow P + \overrightarrow Q )$ and $(\overrightarrow P - \overrightarrow Q )$
What is the angle between $\overrightarrow P $ and the resultant of $(\overrightarrow P + \overrightarrow Q )$ and $(\overrightarrow P - \overrightarrow Q )$
- A
Zero
- B
${\tan ^{ - 1}}(P/Q)$
- C
${\tan ^{ - 1}}(Q/P)$
- D
${\tan ^{ - 1}}(P - Q)/(P + Q)$
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