Given →P=→A+→B and →Q=→A−→B. If the magnitudes of vectors →P and →Q are equal, what is the angle between vectors →A and →B?

Given →P=→A+→B and →Q=→A−→B. If the magnitudes of vector

1.	Given →P=→A+→B and →Q=→A−→B. If the magnitudes of vectors →P and →Q are equal, what is the angle between vectors →A and →B?
Answer» Given $\to P = \to A + \to B$ and $\to Q = \to A - \to B$ . If the magnitudes of vectors $\to P$ and $\to Q$ are equal, what is the angle between vectors $\to A$ and $\to B$ ?

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Given →P=→A+→B and →Q=→A−→B. If the magnitudes of vectors →P and →Q are equal, what is the angle between vectors →A and →B?

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