Show that the polar equation r= a cos x + b sin x where ab not equal 0 represents a circle and find its center and radius
I really have no idea where to start - any ideas at all??
Struggling calculus beginner
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I must assume you know these conversions: . . Show that the polar equation: . .where
represents a circle and find its center and radius.
We have: .
So we have: .
Complete the square: .
This is the equation of a circle: .
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