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How to Use the Law of Cosines in Trigonometry

Professor Leonard via YouTube

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This course introduces the Law of Cosines, relates it to the Pythagorean Theorem, and demonstrates how to solve for missing sides and angles in triangles.

Syllabus

Introduction
What is the Law of Cosines
Permutations
Example
Solving for Side Angles
Solving for a Missing Angle
Solving for a Right Triangle
Finding Angles
Law of Cosines
Law of Sines
Flight Example
Right Triangle Example

Taught by

Professor Leonard

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