SOLUTION: What is the domain of y = cos θ?

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Question 878373: What is the domain of y = cos θ?
Found 2 solutions by Fombitz, Edwin McCravy:
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
typically varies from to degrees or radians because of the periodicity of the trig functions.
Answer by Edwin McCravy(20060)   (Show Source): You can put this solution on YOUR website!
The domain is 

The range is [-1,1]

Edwin
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