Pre-Calculus/Trig 3
Pre-Calculus/Trig 3 Name __________________________________
Trigonometric Functions: The Unit Circle
The Unit Circle
The Trigonometric Functions
Definitions of Trigonometric Functions
Examples:
1.Evaluate the six trigonometric functions at each real number.
a) [pic] b) [pic] c) [pic] d) 0
2. Evaluate the six trigonometric functions at [pic]
Pre-Calc/Trig 3 Name ____________________________________
Worksheet-The Unit Circle
Fill in the angles (in degrees and radians) and coordinates along the axes of the unit circle.
Find each of the following using the diagram that you filled in above:
1. [pic][pic] 2. [pic] 3. [pic] 4. [pic]
Evaluate the six trigonometric functions at each real number t.
5. [pic] 6. [pic] 7. [pic] 8. [pic]
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( , )
( , )
( , )
( , )
( , )
( , )
( , )
( , )
( , )
( , )
( , )
( , )
( , )
( , )
( , )
( , )
................
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