This video explains how to write the polar coordinates of a given point 4 ways.
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Use the Law of Sines Twice to Find the Length of a Side of a Triangle (Lake Problem)
This video explains how to use the law of sines twice to determine the distance across a lake
Use the Law of Sines to Find the Length of a Side of a Triangle After Finding 3rd Angle
This video explains how to find the length of the side of a triangle using the law of sines.
Use the Law of Cosines to Find the Measure of an Angle of a Triangle (SSS)
This video explains how to find the measure of an angle of a triangle using the law of cosines.
Use the Law of Cosines to Find the Length of a Side of a Triangle (SAS)
This video explains how to find the length of a side of a triangle using the law of cosines.
Simplify Trig Expression: Quotient with Sines and Cosines and Double Angle
This video explains how to simplify or change for form of a trigonometric expression to select and equivalent expression or determine a trigonometric identity.
Simplify Trig Expression (cos x)^4-(sin x)^4
This video explains how to simplify or change for form of a trigonometric expression to select and equivalent expression or determine a trigonometric identity.
