SOLUTION: What is the reference angle of cos 45

SOLUTION: What is the reference angle of cos 45

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Question 974584: What is the reference angle of cos 45
Answer by harpazo(655) (Show Source): You can put this solution on YOUR website!
You can find

Solved by pluggable solver: SOLVE a linear equation

Solve . Move 1 to the right: . Divide by 2:

your answer on the unit circle.
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