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Mathematics 10 Online
OpenStudy (anonymous):

Find the value by referring to the graph of the cosine function. cos pi

OpenStudy (anonymous):

where's the graph

OpenStudy (anonymous):

it doesn't give one

OpenStudy (anonymous):

did you still need help with this?

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

|dw:1383682089709:dw| its messy but this is the graph of cosine, find where x is equal to pi

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