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If |u| = 10, |v| = 8, and the angle formed between them is 60°, then u · v = ___ degrees

If |u| = 10, |v| = 8, and the angle formed between them is 60°, then u · v = ___ degrees
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If |u| = 10, |v| = 8, and the angle formed between them is 60°, then u · v = ___ degrees

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User Mark Holland
by
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1 Answer

5 votes
u*v=|u|*|v|*cosα
|u|=10; |v|=8; α=60°

u*v=10*8*cos60°=18*0,5= 9
answered
User Martin Osusky
by
8.3k points
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