Cotangent of Degrees Reference Values

Calculate cotangent from an angle entered in degrees where sine is non-zero.

Author

Prof. Hans Muller

Math editorial contributor

German renewable energy engineer at TU Munich, pioneering grid-scale hydrogen storage solutions

Reviewed for accuracy by

Prof. Kenji Tanaka

Math content reviewer

Japanese materials scientist at Kyoto University, known for breakthroughs in sustainable polymer research

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 22 reference values for quick browsing and lookup.

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All Reference Values

Reference Table

Cotangent of Degrees reference values
Angle (Degrees)cot(θ)
-165 deg3.732051 Cotangent Value
-150 deg1.732051 Cotangent Value
-135 deg1 Cotangent Value
-120 deg0.57735 Cotangent Value
-105 deg0.267949 Cotangent Value
-90 deg-0 Cotangent Value
-75 deg-0.267949 Cotangent Value
-60 deg-0.57735 Cotangent Value
-45 deg-1 Cotangent Value
-30 deg-1.732051 Cotangent Value
-15 deg-3.732051 Cotangent Value
15 deg3.732051 Cotangent Value
30 deg1.732051 Cotangent Value
45 deg1 Cotangent Value
60 deg0.57735 Cotangent Value
75 deg0.267949 Cotangent Value
90 deg0 Cotangent Value
105 deg-0.267949 Cotangent Value
120 deg-0.57735 Cotangent Value
135 deg-1 Cotangent Value
150 deg-1.732051 Cotangent Value
165 deg-3.732051 Cotangent Value

Frequently Asked Questions

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

What does the Cotangent of Degrees calculator do?

It helps with evaluating reciprocal trigonometric values from degree angles in geometry and engineering math.

What formula does the Cotangent of Degrees calculator use?

cot(θ) = 1 / tan(θ), using degrees converted to radians first.

What inputs are valid?

Any finite angle is valid except multiples of 180° where sine is zero and cotangent is undefined.

When would I use this?

evaluating reciprocal trigonometric values from degree angles in geometry and engineering math

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.