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Arcsin Calculator (Inverse Sine)

Math
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Calculates the angle whose sine is a given number. The result is in radians.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Sine Value in the units shown.

Step 2

Read Arcsin (Radians) and Arcsin (Degrees) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Sine of 0.5

Sine Value: 0.5

Arcsin (Radians): 0.5235987756 radians; Arcsin (Degrees): 30 degrees

Sine of 0

Sine Value: 0

Arcsin (Radians): 0 radians; Arcsin (Degrees): 0 degrees

Sine of 1

Sine Value: 1

Arcsin (Radians): 1.570796327 radians; Arcsin (Degrees): 90 degrees

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