Tangent of Degrees

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 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

0 deg =

0 Tangent Value

Representative value from the Tangent of Degrees reference table.

Reference Values

Browse 23 reference values with individual detail pages for quick lookup.

Browse all reference values

Tangent of Degrees

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

Calculated Result

Reference Table

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

Tangent of Degrees Reference
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

Common questions about Tangent of Degrees, formulas, and typical use cases.

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

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