This trigonometry video explains how to use the sine cosine and tangent function as it relates to right triangles and SOHCAHTOA. This video contains plenty of examples and practice problems.

Trigonometry - Basic Introduction: https://www.youtube.com/watch?v=g8VCHoSk5_o

Angle of Elevation Problems:
https://www.youtube.com/watch?v=uyKvSe6Ltgs

Evaluating Trig Functions Given a Point:
https://www.youtube.com/watch?v=P8rdY2ahkms

A Simple Way to Remember Trig Values:
https://www.youtube.com/watch?v=YDuPdLL9GGo

Exact Value of 5 Remaining Trig Functions:
https://www.youtube.com/watch?v=H7GwDntpGUY

Evaluate Trig Functions Using Reference Angles:
https://www.youtube.com/watch?v=V8LEHEzdU2U

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How To Graph Trig Functions:
https://www.youtube.com/watch?v=fo_q9mEAFp4

How To Graph Sine and Cosine:
https://www.youtube.com/watch?v=bm8oYKKlCXI

Evaluating Inverse Trig Functions:
https://www.youtube.com/watch?v=jt7p-mCC0ng

Finding The Missing Side of a Triangle:
https://www.youtube.com/watch?v=tielQ3ejh70

Finding The Missing Angle of a Triangle:
https://www.youtube.com/watch?v=4Dv5IFqATrc

Two Triangle Trigonometry Problems:
https://www.youtube.com/watch?v=OTP885mApV8

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Bearings Vs Direction - Word Problems:
https://www.youtube.com/watch?v=jyi5zW8mavs

Bearing Problems and Navigation:
https://www.youtube.com/watch?v=cSKAqfGXOPI

Two Triangle Problems - More Examples:
https://www.youtube.com/watch?v=QM1T6eL8t48

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

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