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Statement I : Angle between $\hat{i} + \hat{j} and \hat{i} is 45^{0}$
Statement II : $\hat{i} + \hat{j} is equally inclined to both \hat{i} and \hat{j} and the angle between \hat{i} and \hat{j} is 90^{0}$

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detailed solution

Correct option is A

cos θ = i^+j^.(i^)|i^+j^||i| = 12. Hence θ = 450

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Statement I : Angle between i^ +j^ and i^ is 450Statement II : i^ +j^ is equally inclined to both i^ and j^ and the angle between i^ and j^ is 900

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Statement I : Angle between $\hat{i} + \hat{j} and \hat{i} is 45^{0}$
Statement II : $\hat{i} + \hat{j} is equally inclined to both \hat{i} and \hat{j} and the angle between \hat{i} and \hat{j} is 90^{0}$