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This lesson derives the distance formula for two polar points using the law of cosines and applies it through several worked examples, including cases with negative angles and radial values.
Syllabus
Introduction.
Deriving our formula from the law of cosines.
Formula for finding the distance between two polar points.
Finding the distance between polar points #1.
Finding the distance between polar points #2.
Finding the distance between polar points #3.
Finding the distance between polar points #4.
Taught by
GreeneMath.com