Tangent

The tangent function is defined in a right-angled triangle as the ratio of the opposite and adjacent sides. Its graph is a tangent curve. The function is defined in the range from 0.5π + kπ to 1.5π + kπ radians and takes values from - to .

Graph

Tangent - Graph

Formulas

Right-angled triangle
Trigonometric formulas Trigonometric formulas

Calculators

Enter the angle α

α =
tan α =
Round to decimal places.

Enter the tan α value and select the angular unit

tan α =
α =
Round to decimal places.

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