26. If \vec{a} |=2, \vec{b} \}=7 \text { and }(\vec{a} \times \vec{b}) – InterviewSolution

1.	26. If \vec{a} \|=2, \vec{b} \}=7 \text { and }(\vec{a} \times \vec{b})=(3 \hat{i}+2 \hat{j}+6 \hat{k}), find the angle betweena and b.
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