Pre-Calculus B- Unit 2 Lesson 1

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Unit Circle

A circle whose center is at the origin and has a radius of one.

Rectangular Form

x+yi

Polar Form

magnitude and angle in vector < llvll , ° >

Polar Coordinates

A mathematical system in which teh location of a point in space can be calculated by its distance from the origin and by the angle of a vector known as the polar axis between that point and its origin. Polar coordinates are calculate during set surveying and then later converted into xyz coordinates

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