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If |vec(P) + vec(Q)| = |vec(P) - vec(Q)|...

If `|vec(P) + vec(Q)| = |vec(P) - vec(Q)|` , find the angle between `vec(P)` and `vec(Q)`.

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To solve the problem, we need to find the angle between the vectors \(\vec{P}\) and \(\vec{Q}\) given that \(|\vec{P} + \vec{Q}| = |\vec{P} - \vec{Q}|\). ### Step-by-Step Solution: 1. **Start with the given equation**: \[ |\vec{P} + \vec{Q}| = |\vec{P} - \vec{Q}| \] ...
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