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What is the period for the graph of y

What is the period for the graph of y-example-1
User Steglig
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1 Answer

6 votes
The period of cosine is 2pi radians or 360 degrees. Think of a full circle. To do a full revolution, you must rotate 360 degrees. Afterward, things start to repeat over again.

The answer is choice C.
User Nastassja
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