Online Tangent Calculator

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Tangent Calculator

tan
Result:

* Use e for scientific notation. E.g: 5e3, 4e-8, 1.45e12

Inverse tangent calculator

tan -1
Degrees:
°
Radians:
rad

Tangent table

x tan(x)
degrees radians
-90° -π/2 not defined
-60° -π/3 -1.732050808
-45° -π/4 -1
-30° -π/6 -0.577350269
0 0
30° π/6 0.577350269
45° π/4 1
60° π/3 1.732050808
90° π/2 not defined