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Evaluate sine/cosine/tangent

Compute sin, cos, and tan for an angle in degrees or radians.

Also known as: evaluate sine cosine tangent calculator, trig calculator, sin cos tan calculator, evaluate sine/cosine/tangent, trigonometry math, trigonometry evaluate sine/cosine/tangent

Inputs

Function

Results update when you click Calculate.

sin(30.0000°)

0.500000

sin(30.0000°)

sin

0.500000

cos

0.866025

tan

0.577350

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What this result means

Compute sin, cos, and tan for an angle in degrees or radians. Convert degrees to radians if needed, then apply the standard trig functions.

Assumptions

  • Rule dependency: Universal formula.

How is it calculated?

Convert degrees to radians if needed, then apply the standard trig functions.

Example

sin(30°) = 0.5.

Frequently asked questions

tan undefined?+

Tangent is undefined at odd multiples of 90°.