If -A-B- - -A-B- then angle between A and B will be

Find the angle between vector A and B:Given, |A×B| = |A·B|⇒ AB sinθ = AB cosθ⇒ tanθ = 1∴θ=45°Hence, option ‘B’ is Correct. ...

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Multiplication with Vectors

If |A×B| = |A...

Question

If $|\vec{A} \times \vec{B}| = |\vec{A} \cdot \vec{B}|$ , then angle between $\vec{A}$ and $\vec{B}$ will be

$30 °$

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$45 °$

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$60 °$

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$90 °$

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\to a, \to b, \to c

λ

[λ (\to a + \to b), λ^{2} \to b, λ \to c] = [\to a, \to b + \to c, \to b]

\to a, \to b, \to c

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[λ (\to a + \to b), λ^{2} \to b, λ \to c] = [\to a, \to b + \to c, \to b]

[\to a \times \to b \to b \times \to c \to c \times \to a] = λ [\to a \to b \to c]^{2}

λ

\to r = \to a + α (\to b \times \to c)

\to r = \to b + β (\to c \times \to a)

α

β

\to a, \to b

\to c

\to a - \to b, \to b - \to c

\to c - \to a

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