Find the angle between the vectors a^{\to} and b^{\to}

Correct Answer is : cos−1(→a⋅→b|a||b|)

\sin ^{-1} ( \overrightarrow{{ {\a} \cdot \overrightarrow{ {\b}}/{| {\a}|| {\b}|})

\cos ^{-1} ( \overrightarrow{{ {\a} \cdot \overrightarrow{ {\b}}/{| {\a}|| {\b}|})

\cos ^{-1} ( \overrightarrow{{ {\a} \times \overrightarrow{ {\b}}/{| {\a}|| {\b}|})

Agniveer Vayu or IAF Group X 6 Nov 2020 Paper

Question : 27 of 75

Marks: +1, -0

Find the angle between the vectors

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