30-60-90 Triangles - Special Right Triangle Trigonometry

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This trigonometry video tutorial provides a basic introduction into 30-60-90 triangles. It explains how to evaluate trigonometric functions such as sine and cosine using right triangle trigonometry.

The Unit Circle:

How To Remember The Unit Circle Fast:

Reference Angles:

The Six Trigonometric Functions:

How To Solve Right Triangles:

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Reciprocal Identities:

Quotient Identities:

Even and Odd Trigonometric Identities:

Pythagorean Identities:

The Pythagorean Theorem:

Trig Functions - Periodic Properties:

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The Exact Value of Trig Functions:

Special Patterns - Pythagorean Theorem:

Cofunction Identities:

Final Exams and Video Playlists:

Full-Length Videos and Worksheets:

Trigonometry Formula Sheet:
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MR. organic Chemistry Tutor, thank you for a great video that explains the 30-60-90 Triangles.

georgesadler
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devinawilliams
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florence.
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DON-ebve
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derekt
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