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Find a . b. |a| = 6, |b| = 7, the angle between a and b is 2π/3

Find a . b. |a| = 6, |b| = 7, the angle between a and b is 2π/3

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Find a · b.

|a| = 6,    |b| = 7,    the angle between a and b is 2?/3
Find a. b. |a| = 6, |b| = 7, the angle between a and b is 27/3
Transcribed Image Text:Find a. b. |a| = 6, |b| = 7, the angle between a and b is 27/3
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