This trigonometry and precalculus video tutorial shows you how to graph trigonometric functions such as sine and cosine functions using transformations, phase shifts, period, and amplitude.

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/