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lol1516

lol1516

23.06.2020 •

Mathematics

If |u| = 12, |v| = 8, and u · v = 48, then the angle between |u| and |v| is .

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Ответ:

bryaniscool619ovksqy

29.01.2022

Step-by-step explanation:

$u\bullet v= |u||v|cos (\theta)$

That gives $cos (\theta) = \frac{u\bullet v}{|u||v|} = \frac{48}{12\times 8} =\frac{48}{96} =\frac{1}{2}$

$cos (\theta) = \frac{1}{2} = cos (\pi/3)$

Hence

$\theta = \pi/3$

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Ответ:

Renarock

29.01.2020

Step-by-step explanation:

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