VTech Precomputer Power Pad Plus - Manual (Page 82)

78
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.