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• Press the number key ( , , or ) that corresponds to the angle
unit you want to use.
(90° = π /2 radians = 100 grads)
Example 1: sin 30° = 0.5 (Angle unit: Deg)
･････ (Deg)
30 0.5
Example 2: cos(
π
3
) = 0.5 (Angle unit: Rad)
･････ (Rad)
( π ) 3
0.5
Example 3: tan(-35) = -0.612800788 (Angle unit: Gra)
･････ (Gra)
35 -0.612800788
Inverse Trigonometric Functions
Example 1: sin
-1
0.5 = 30° (Angle unit: Deg)
･････ (Deg)
(sin
-1
) 0 5 30.
Example 2: cos
-1
√2
2
= 0.25 π (=
π
4
) (Angle unit: Rad)
･････ (Rad)
(cos
-1
) 2 2
( π )
0.25
Example 3: tan
-1
0.741 = 36.53844577° (Angle unit: Deg)
･････ (Deg)
(tan
-1
) 0 741 36.53844577
Hyperbolic Functions, Inverse
Hyperbolic Functions
Example 1: sinh 3.6 = 18.28545536
24
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