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Question

Find the angle between the vectors A=6i+8j+10k
B=6i+8j-10k
8 years ago

Answers

Damon
use dot product
|A| |B| cos theta = A dot B
= 36+64 -100 = 0

LOL, cos theta = 0
so theta = 90 degrees

8 years ago
Zenu
Helpful
6 years ago

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