Lf A- and B- denote the sides of a parallelogram and its area is 12-A-B- The angle between A- and B-

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Applications of Cross Product

lf A⃗ and ...

Question

lf $\to A$ and $\to B$ denote the sides of a parallelogram and its area is $\frac{1}{2} | A | | B |$ The angle between $\to A$ and $\to B$

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120

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Similar questions

\to A

\to B

\frac{1}{2} A B

\to A

\to B

\to A

\to B

If $| \to A + \to B | = | \to A - \to B |$ then
a) The angle between $\to A$ and $\to B$ is $90^{0}$
b) $\to B = 0$

c) $\to A = 0$
d) The angle between $\to A$ and $\to B$ is $120^{0}$

¯ ¯¯¯¯¯¯ ¯ A B = ¯ ¯ ¯ a ¯ ¯¯¯¯¯¯¯ ¯ A D = \to b, | \to a | = ∣ ∣ \to b ∣ ∣ = 4

∣ ∣ \to a \times \to b ∣ ∣ + \to a . \to b = (\frac{\sqrt{3} + 1}{2}) | \to a | . ∣ ∣ \to b ∣ ∣ (\to a . \to b > 0)

\to A

\to B

| \to A + \to B | = | \to A - \to B |

\to A

\to B

\to A, \to B

\to C

\to A \times \to B = 0

\to B \times \to C = 0

\to A \times \to C

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