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 * Classpad 330 CAS Calculator ** toc

** How to do Trigonometry **
Go to the Main Screen All of the standard trigonometric functions are in the virtual keyboard. Go to the MTH tab and select the TRIG screen using the button at the bottom.
 * Either by clicking on Main in the main menu
 * Or by clicking on Main in the green icon bar

NOTE: Be careful to check that you have your calculator set to the appropriate mode (DEGREES or RADIANS) for the question you are answering.

There is a big difference between sin(30 degrees) and sin(30 radians)!!

Regardless of the mode your calculator is in, you can tell it your angle is in degrees by using the º symbol or that your angle is in radians by using the r symbol.

Both º and r can be found on the same TRIG screen as all of the trigonometric functions.

Degrees Minutes and Seconds
See here

Convert Between Radians and Degrees
See here

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