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Trigonometry Calculations
Before using the trigonometric functions (except hyperbolic
calculations), select the appropriate angle unit (Deg/ Rad/
Gra) by
o
90
=
Radians = 100 Grade.
Trigonometric (sin/ cos/ tan), Inverse Trigonometric (sin
tan
) Functions
-1
Examples
D
e
g
e r
e
M
o
d
e
o
sin 53
22' 12'' = 0.802505182
cosec x = 1/sinx
cosec 45
o
= 1.414213562
-1
tan
(5/6) = 39.80557109
R
a
d
a i
n
M
o
d
e
Rad
cos( /6)
= 0.866025403
0.785398163
1
=
-1
cos
0
2 .
2
Hyperbolic (sinh/ cosh/ tanh), Inverse Hyperbolic (sinh
tanh
) Functions
-1
Examples
sinh 2.5
cosh 2.5 =
-0.082084998
-1
cosh
45 = 4.499686191
.
o
5
(
R
a
) d
Operation
Operation
23
/ cos
/
-1
-1
Display (Lower)
. 0
0.802505182
1.414213562
39.80557109
. 0
0.866025403
0.785398163
0
2 .
5
/ cosh
/
-1
-1
Display (Lower)
-0.082084998
4.499686191
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