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Flashcards
Definitions of the Trigonometric Functions


Learning Center
The Amazing Unit Circle The unit circle definitions of the trigonometric functions provide a wealth of information about those functions. Exact Values of the Trigonometric Functions at the "nice" angles. All the values collected on one page. Exact Values of Inverse Trigonometric Functions at the "nice" values. The values of inverse sine, inverse cosine and inverse tangent collected on one page. 

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Now available: Amazing Unit Circle tshirt shows properties of the trigonometric functions that are easily observed from the unit circle definitions of these functions. It's a great gift for students and teachers.  
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