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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