TRIGONOMETRIC FUNCTIONS Evaluating (Page 4 of 15)

Now we will find the value of all six trigonometric functions for an angle of 7π/6. First, make sure the calculator is in Radian mode.
 MODE key. [Radian] ENTER key. Calculator screen image.

On the Home screen, press the key for the desired trigonometric function, then type in the angle, then close the parentheses and enter the command. The result shown is the approximate value for that trigonometric function.

 2nd QUIT key. CLEAR key.
 SIN key. 7 2nd Pi key. Divide key. 6 Right parenthesis key. ENTER key.
 COS key. 7 2nd Pi key. Divide key. 6 Right parenthesis key. ENTER key.
 TAN key. 7 2nd Pi key. Divide key. 6 Right parenthesis key. ENTER key.		 Calculator screen image.
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