UNIT CIRCLE Circular Functions (Page 4 of 10)

Since the unit circle has a radius of 1, we can set the window to 1.2 units in each direction to obtain a good view. Use the Negation key. key to enter a negative number.

 0 ENTER key. 2 2nd Pi key. ENTER key. 0.1 ENTER key. Negation key. 1.2 ENTER key. 1.2 ENTER key.
 1 ENTER key. Negation key. 1.2 ENTER key. 1.2 ENTER key. 1 ENTER key.		 Calculator screen image.

To see the unit circle, press the GRAPH key. key.

 GRAPH key. Calculator screen image.
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