Tangent of Degrees Reference Values

Calculate tan(θ) from an angle entered in degrees, excluding undefined angles at 90° + 180°k.

Author

Prof. Tomoko Sato

Math editorial contributor

Japanese behavioral economist at the London School of Economics, researching nudge theory applications in public health

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 Degrees reference values
Angle (Degrees)tan(θ)
-180 deg0 Tangent Value
-165 deg0.267949 Tangent Value
-150 deg0.57735 Tangent Value
-135 deg1 Tangent Value
-120 deg1.732051 Tangent Value
-105 deg3.732051 Tangent Value
-75 deg-3.732051 Tangent Value
-60 deg-1.732051 Tangent Value
-45 deg-1 Tangent Value
-30 deg-0.57735 Tangent Value
-15 deg-0.267949 Tangent Value
0 deg0 Tangent Value
15 deg0.267949 Tangent Value
30 deg0.57735 Tangent Value
45 deg1 Tangent Value
60 deg1.732051 Tangent Value
75 deg3.732051 Tangent Value
105 deg-3.732051 Tangent Value
120 deg-1.732051 Tangent Value
135 deg-1 Tangent Value
150 deg-0.57735 Tangent Value
165 deg-0.267949 Tangent Value
180 deg-0 Tangent Value

Frequently Asked Questions

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

What does the Tangent of Degrees calculator do?

It helps with evaluating tangent values for slopes, right triangles, and trig identities.

What formula does the Tangent of Degrees calculator use?

tan(θ) is computed after converting degrees to radians.

What inputs are valid?

Any finite degree angle is valid except where cosine is zero (tan undefined), such as 90° + 180°k.

When would I use this?

evaluating tangent values for slopes, right triangles, and trig identities

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.