Seudónimo Seudónimo

26-11-2015
Mathematics

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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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alexpolansky20 alexpolansky20

28-11-2015

u*v=|u|*|v|*cosα
|u|=10; |v|=8; α=60°

u*v=10*8*cos60°=18*0,5= 9

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