Step Justification c0 = c(0 + 0) distributive property co c0 + cô distributive property co + (-c0) = (c0 + c0) + (-co) add -c0 to both sides 0 = (c0 + c0) + (-c0) commutative property of addition %3D 0 = c0 + (co + (-c0)) additive inverse property 0 = c0 + 0 commutative property of addition 0 = c0 multiplicative identity property
Step Justification c0 = c(0 + 0) distributive property co c0 + cô distributive property co + (-c0) = (c0 + c0) + (-co) add -c0 to both sides 0 = (c0 + c0) + (-c0) commutative property of addition %3D 0 = c0 + (co + (-c0)) additive inverse property 0 = c0 + 0 commutative property of addition 0 = c0 multiplicative identity property
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.4: The Dot Product
Problem 45E
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