Show that the equation r = a cos + b sin , where a and b

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Show that the equation r = a cos θ + b sin θ, where a and b are real numbers, describes a circle. Find the center and radius of the circle.

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Related Book For  answer-question

Calculus Early Transcendentals

ISBN: 978-0321947345

2nd edition

Authors: William L. Briggs, Lyle Cochran, Bernard Gillett

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