SOLUTION: Find angles so that CosACosB-SinASinB=1

SOLUTION: Find angles so that CosACosB-SinASinB=1

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Question 375536: Find angles so that CosACosB-SinASinB=1
Answer by user_dude2008(1862) (Show Source): You can put this solution on YOUR website!
CosACosB-SinASinB=1

Cos(A+B)=1

A+B=0

A=-B
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