Arcsine to Radians

Calculate inverse sine and return the principal angle in radians.

Author

Dr. Lucia Fernandez Vega

Math editorial contributor

Argentine astrophysicist from the University of Buenos Aires, contributing to exoplanet detection with the James Webb telescope

Reviewed by

Dr. Emeka Nwosu

Math content reviewer

Nigerian legal scholar with an SJD from Yale, focused on international trade law and African continental free trade agreements

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

0 Sine Value =

0 rad

Representative value from the Arcsine to Radians reference table.

Reference Values

Browse 15 reference values with individual detail pages for quick lookup.

Browse all reference values

Arcsine to Radians

Calculate inverse sine and return the principal angle in radians.

Calculated Result

Reference Table

Use this complete table for quick lookup and internal linking to specific value pages.

Arcsine to Radians Reference
Sine Valueasin(x)
-1 Sine Value-1.570796 rad
-0.95 Sine Value-1.253236 rad
-0.9 Sine Value-1.11977 rad
-0.8 Sine Value-0.927295 rad
-0.75 Sine Value-0.848062 rad
-0.5 Sine Value-0.523599 rad
-0.25 Sine Value-0.25268 rad
0 Sine Value0 rad
0.25 Sine Value0.25268 rad
0.5 Sine Value0.523599 rad
0.75 Sine Value0.848062 rad
0.8 Sine Value0.927295 rad
0.9 Sine Value1.11977 rad
0.95 Sine Value1.253236 rad
1 Sine Value1.570796 rad

Frequently Asked Questions

Common questions about Arcsine to Radians, formulas, and typical use cases.

What does the Arcsine to Radians calculator do?

It helps with recovering angles from known sine values in trigonometry and geometry.

What formula does the Arcsine to Radians calculator use?

asin(x) returns the principal inverse sine angle in radians, in the range [-π/2, π/2].

What inputs are valid?

Input must be between -1 and 1 inclusive for real-number results.

When would I use this?

recovering angles from known sine values in trigonometry and geometry

Methodology and Review

This page combines a live calculator, precomputed reference values, and FAQ content from the same conversion definition to reduce mismatch between calculator output and lookup tables.

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