Arcsin Calculator

Online arcsin(x) calculator. Inverse sine calculator.

In order to calculate arcsin(x) on the calculator:

  1. Enter the input value.
  2. Select result type of degrees (°) or radians (rad) in the right combo box.
  3. Press the  =  button to calculate the result.
arcsin
Result:
Calculation:

Arcsine definition

The arcsine function is the inverse function of y = sin(x).

arcsin(y) = sin-1(y) = x + 2

For every

k = {...,-2,-1,0,1,2,...}

 

For example, If the sine of 30° is 0.5:

sin(30°) = 0.5

Then the arcsine of 0.5 is 30°:

arcsin(0.5) = sin-1(0.5) = 30°

Arcsine table

y x = arcsin(y)
degrees radians
-1 -90° -π/2
-0.8660254 -60° -π/3
-0.7071068 -45° -π/4
-0.5 -30° -π/6
0 0
0.5 30° π/6
0.7071068 45° π/4
0.8660254 60° π/3
1 90° π/2

 

Sine calculator ►

 


See also

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