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Trigonometry Calculations
Before using the trigonometric functions (except
hyperbolic calculations), select the appropriate angle unit
(Deg/Rad/Gra) by pressing .
90º = Radians = 100 Gradients.
Deg
Rad
Gra
Units of 15º
Multiples of radians
Multiples of grads
Degree Mode
Sin 60 =
=Cosec 45º =
sin(60
sin(45)
-1
DisplayKey in operationExample
Angle Value Input
Angle Unit
Setting
Input Value Range
for form result
1
12
50
3
1
Sin45
o
D
3
2
3
2
2
MATHEMATICS MODE:
Hyperbolic (sinh/ cosh/ tanh), Inverse Hyperbolic
(sinh
-1
/cosh
-1
/tanh
-1
) functions
Press to enter the sub-hyperbolic menu.
sinh2.5 – cosh 2.5
= -0.082084998
Cosh
-1
45
= 4.499686191
sinh(2.5) – cosh(
-0.08208499862
DisplayKey in operation
Example
cosh
-1
(45
4.499686191