Vtech PreComputer Power Pad Plus User Manual - Page 82

Trigonometry Functions

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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. 78

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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.