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Identify the graph of r=4 cos theta + 4 sin theta

0 votes

by transforming it into rectangular coordinates.?

asked Aug 5, 2014 in PRECALCULUS by anonymous

1 Answer

0 votes

Convert the equation polar to rectangular form.

image

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Substitute the values image and image

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image

image

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The coefficients of x2 and y2 are the same sign and with equal coefficients.

Therfore, the equation is a circle.

answered Aug 5, 2014 by david Expert

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