Sally has measured the end-points of two poles, and wants to know the angle between them: Use the dot product to calculate the size of angle θ.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Sally has measured the end-points of two poles, and wants to know the angle between them:

Use the dot product to calculate the size of angle θ.

(3, 8, 12)
a
(10, 3, 9)
b
N
Transcribed Image Text:(3, 8, 12) a (10, 3, 9) b N
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