Use the associative, distributive, De Morgan, or other laws to show that:

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.2: The Law Of Cosines
Problem 3E
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Use the associative, distributive, De Morgan, or other laws to show that:

a) [(A°U B°)n (A°U C°)]° = An (BUC)
b) (AºU B° U C°)° = ANBNC
c) A - [(BNA) U (Cn A)] = (BUC)en A
Transcribed Image Text:a) [(A°U B°)n (A°U C°)]° = An (BUC) b) (AºU B° U C°)° = ANBNC c) A - [(BNA) U (Cn A)] = (BUC)en A
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