fx-82MS fx-82TL fx-9860GII TI-83
cos
On a Casio calculator you can calculate the cosine
cos
or via the CATALOG as
CATALOG P INPUT SHIFT 4 cos F1
Exemple 1
To calculate cos (0) = 1
cos 0 EXE cos 0 1
Exemple 2
To calculate cos (π) = −1
π ٬٬ cos SHIFT EXP EXE cos(π -1
Example 3
To calculate cos (180°) = −1
cos 1 8 0 EXE cos 180 -1
Example 4
To calculate cos (½π) = 0
π ٬٬ cos • 5 SHIFT EXP EXE cos .5π 0
Example 5
To calculate sec (0) = 1
x⁻¹ J Ans-1 cos 0 EXE SHIFT ) EXE 1