Tangent of Radians Reference Values

Calculate tan(x) from an angle entered in radians, excluding undefined angles at π/2 + πk.

Author

Dr. Fatima Al-Rashidi

Math editorial contributor

Kuwaiti epidemiologist trained at Johns Hopkins, leading WHO initiatives on maternal health in the Gulf region

Reviewed for accuracy by

Dr. Isabella Rossi

Math content reviewer

Italian neuroscientist at Sapienza University of Rome, studying the neural mechanisms of bilingual language processing

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

Table of Contents

  1. All value pages
  2. Reference table
  3. FAQs
  4. Methodology and review
  5. Related conversions

Reference Value Index

This page lists 23 reference values for quick browsing and lookup.

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All Reference Values

Reference Table

Tangent of Radians reference values
Angle (Radians)tan(x)
-3.141593 rad-0 Tangent Value
-2.879793 rad0.267949 Tangent Value
-2.617994 rad0.57735 Tangent Value
-2.356194 rad1.000001 Tangent Value
-2.094395 rad1.732051 Tangent Value
-1.832596 rad3.732047 Tangent Value
-1.308997 rad-3.732052 Tangent Value
-1.047198 rad-1.732053 Tangent Value
-0.785398 rad-1 Tangent Value
-0.523599 rad-0.577351 Tangent Value
-0.261799 rad-0.267949 Tangent Value
0 rad0 Tangent Value
0.261799 rad0.267949 Tangent Value
0.523599 rad0.577351 Tangent Value
0.785398 rad1 Tangent Value
1.047198 rad1.732053 Tangent Value
1.308997 rad3.732052 Tangent Value
1.832596 rad-3.732047 Tangent Value
2.094395 rad-1.732051 Tangent Value
2.356194 rad-1.000001 Tangent Value
2.617994 rad-0.57735 Tangent Value
2.879793 rad-0.267949 Tangent Value
3.141593 rad0 Tangent Value

Frequently Asked Questions

Frequently asked questions for Tangent of Radians and its reference values.

What does the Tangent of Radians calculator do?

It helps with evaluating tangent values from radian inputs for calculus and analytic geometry.

What formula does the Tangent of Radians calculator use?

tan(x) returns the tangent of an angle in radians.

What inputs are valid?

Any finite radian angle is valid except where cosine is zero (tan undefined).

When would I use this?

evaluating tangent values from radian inputs for calculus and analytic geometry

Methodology and Review

Each row on this page links to a value detail page derived from the same conversion data file as the main calculator and reference table. This reduces inconsistencies across page variants.

Editorial metadata and structured data are rendered across the converter page and linked value pages. Review policies are documented in our review process and editorial policy.