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The angle made by the vector $A = \hat{i} + \hat{j}$ with x- axis is

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Correct option is B

A→=i^+j^⇒|A|=12+12=2cos⁡α=Ax|A|=12=cos⁡45∘ ∴ α=45∘

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The angle made by the vector A=i^+j^ with x- axis is

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The angle made by the vector $A = \hat{i} + \hat{j}$ with x- axis is