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Mathematics 12 Online
OpenStudy (anonymous):

find the graph of r=cos2theta-1

OpenStudy (anonymous):

$$r = \cos^2 \theta - 1$$ Polar graph or just Cartesian?

OpenStudy (anonymous):

cartesian

OpenStudy (anonymous):

Do you know what the graph of cosine looks like? What about cosine squared?

OpenStudy (anonymous):

just the cosine

OpenStudy (anonymous):

Welp. Cosine squared looks almost exactly like cosine, except it's steeper and all positive. Like this: |dw:1394928997962:dw|

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