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Question

Find the angle between the vectors. (Round your answer to the nearest degree.)
a = ‹-4, 3›
b = ‹√7, 3›
15 years ago

Answers

Reiny
use the dot product
a•b = |a| |b|cos Ø
cosØ = (-4√7 + 9)/(20)
Ø = 94.5º
15 years ago

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