Theta Symbol

The Greek letter theta \theta is used in mathematics as a variable usually associated with a measured angle. For example, the symbol theta appears in the three main trigonometric functions: sine, cosine, and tangent as the input variable.

\cos(\theta)

In plain language, this represents the cosine function which takes in one argument represented by the variable \theta.

Symbol Format Data
θ Unicode
952
TeX
\theta
theta SVG

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