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Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.1: Rectangular Coordinate Systems
Problem 22E
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I don't understand the question I need help please!

8.
a) Prove that if ū is perpendicular to v, then lū + v[ = |ūf +|v[.
b) Prove that Jūx v + (ũ - v)° = |ū°|v°
Hint: sin? 0+ cos? 0 = 1
Transcribed Image Text:8. a) Prove that if ū is perpendicular to v, then lū + v[ = |ūf +|v[. b) Prove that Jūx v + (ũ - v)° = |ū°|v° Hint: sin? 0+ cos? 0 = 1
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