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TRIGONOMETRY FUNCTIONS
All the trigonometric functions can take two forms of input-radians and degrees. If you
just type in a number, the Calculator assumes the number is in radians. To enter a number
in degrees, press the degree sign
after inputting the number.
Function
Operation
Display
SINE
60
sin 60
= -0.30481
SINE
60
sin 60
°
= 0.866025
COSINE
60
cos 60
= -0.952413
COSINE
60
cos 60
°
= 0.5
TANGENT
60
tan 60
= 0.32004
TANGENT
60
tan 60
°
= 1.73205
ARC TANGENT
60
atn 60
= 1.55413
ARC TANGENT
60
atn 60
°
= – – E – –
(atn 60
°
produces an error)
π
(Constant)*
(3.1415927)
*This special constant can be entered into any problem by using this key.