Inverse Trigonometric Calculator

Use our free inverse trigonometric calculator to find arcsin, arccos, or arctan of a value. Supports degrees and radians.

Math

Function

Value

Output Unit

Formula

Inverse trigonometric functions find the angle whose sine, cosine, or tangent equals a given value.

arcsin, arccos, or arctan of a value

Percentage: The percentage value you want to apply

Number: The original number or value

Result: The calculated result

How It Works

1Select the function (arcsin, arccos, or arctan).
2Enter a value.
3Choose output unit (degrees or radians).
4Click Calculate.

Examples

arcsin(0.5)

1.arcsin(0.5) = 30°

Result: 30.000000°

arctan(1)

1.arctan(1) = π/4 = 0.785398 rad

Result: 0.785398 rad

Frequently Asked Questions

Arcsin is the inverse of sine, finding the angle for a given sine value.

Arccos is the inverse of cosine.

Arctan is the inverse of tangent.

arcsin and arccos accept values only between -1 and 1.

arctan of any real number returns an angle between -90° and 90°.

Related Calculators

Sine Calculator Cosine Calculator Tangent Calculator Trigonometric Identity Calculator Percentage Calculator Basic Calculator

CalculateMe Team

Last updated: 2026-07-14

Inverse Trigonometric Calculator

Formula

How It Works

Examples

arcsin(0.5)

arctan(1)

Frequently Asked Questions

What is arcsin?

What is arccos?

What is arctan?

Domain of arcsin/arccos?

Range of arctan?

Related Calculators

Inverse Trigonometric Calculator

Formula

How It Works

Examples

arcsin(0.5)

arctan(1)

Frequently Asked Questions

What is arcsin?

What is arccos?

What is arctan?

Domain of arcsin/arccos?

Range of arctan?

Related Calculators