Law of Cosines, Finding Angles & Sides, SSS & SAS Triangles - Trigonometry

This trigonometry video tutorial provides a basic introduction into the law of cosines. It explains how to use the law of cosines formula for finding angles and for finding the value of missing sides. It explains how to solve the sss triangle and the sas triangle using the law of cosines first and then finishing up the problem using the law of sines formula. This trig video contains plenty of examples and practice problems.

Solving Trig Equations - Finding All Solutions:
https://www.youtube.com/watch?v=kEcbxiLeGTc

Solving Trig Equations With Multiple Angles:
https://www.youtube.com/watch?v=eZPEW2hVUd0

Solving Trig Equations With Double Angles:
https://www.youtube.com/watch?v=-R7394Dn854

Law of Sines:
https://www.youtube.com/watch?v=8qezAG2r0sk

More Examples - Law of Sines:
https://www.youtube.com/watch?v=9fS0uA4iLxI

Area of an Oblique Triangle:
https://www.youtube.com/watch?v=vPt6j5e_uhE

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The Height of a Triangle - Heron's Formula:
https://www.youtube.com/watch?v=a1PR9O1Va84

Polar Coordinates:
https://www.youtube.com/watch?v=aSdaT62ndYE

Polar Equations to Rectangular Equations:
https://www.youtube.com/watch?v=flTz_pSzVFI

Rectangular Equations to Polar Equations:
https://www.youtube.com/watch?v=fTBkr27r3pw

How To Graph Polar Equations:
https://www.youtube.com/watch?v=jO4lwddfeDA

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Complex Numbers - De Moivre's Theorem:
https://www.youtube.com/watch?v=J6TnZxUUzqU

Dot Product of Two Vectors:
https://www.youtube.com/watch?v=VzX8KJKFhlM

Trigonometry Final Exam Review:
https://www.youtube.com/watch?v=OAsbx4TEnL0

Final Exams and Video Playlists:
https://www.video-tutor.net/

Full-Length Videos and Worksheets:
https://www.patreon.com/MathSc....ienceTutor/collectio