This trigonometry & precalculus video provides a basic introduction into the law of sines formula. It explains how to use that formula to find the missing sides and missing angles of a triangle.
Solving Trig Equations - Finding All Solutions:
Solving Trig Equations With Multiple Angles:
Solving Trig Equations With Double Angles:
More Examples - Law of Sines:
Area of an Oblique Triangle:
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The Height of a Triangle - Heron's Formula:
Law of Cosines:
Polar Coordinates:
Polar Equations to Rectangular Equations:
Rectangular Equations to Polar Equations:
How To Graph Polar Equations:
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Complex Numbers - De Moivre's Theorem:
Dot Product of Two Vectors:
Trigonometry Final Exam Review:
Final Exams and Video Playlists:
Full-Length Videos and Worksheets: