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fx-82MS      iPad      Windows98      WindowsXP


Cosine

On a Casio calculator you can calculate the cosine with the key

cos

 


Example 1

To calculate cos (0) = 1

cos  0  =  cos 0
           1.

 


Example 2

To calculate cos (π) = −1

cos   EXP =  cos π
          -1.

 


Example 3

To calculate cos (180°) = −1

cos  1   8   0  =  cos 180
          -1.

 


Example 4

To calculate cos (½π) = 0

cos  ·   5    EXP =  sin .5π
           0.

 


Example 5

To calculate sec (0) = 1

cos  0  = x-1 =  Ans-1
           1.

 


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