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What is the angle between $\vec{P}$ and the resultant of $(\vec{P} + \vec{Q}) and (\vec{P} - \vec{Q})$

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Zero

tan−1⁡(P/Q)

tan−1⁡(Q/P)

tan−1⁡(P−Q)/(P+Q)

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detailed solution

Correct option is A

Resultant R→=P→+Q→+P→−Q→=2P→ The angle between P→ and 2P→ is zero.

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What is the angle between P→ and the resultant of (P→+Q→) and (P→−Q→)

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What is the angle between $\vec{P}$ and the resultant of $(\vec{P} + \vec{Q}) and (\vec{P} - \vec{Q})$