Find a Cartesian equation of the graph of r2 - 6r(cos + sin ) + 9

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Find a Cartesian equation of the graph of
r2 - 6r(cos θ + sin θ) + 9 = 0
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Calculus

ISBN: 978-0131429246

9th edition

Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon

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