Arccot of 2

Arcsin, Arccos, Arctan, Arccot
Function
x

What is arccot(2)?

Answer

arccot(2) ≈
26.5651° ≈ 0.4636 rad

Range: arccot x is an angle strictly between 0° and 180°, so the answer is unique.

≈ — the value is not a table one; rounded to 4 decimal places.

arccot(2) is the angle α in (0°, 180°) with cot α = 2.

cot 26.5651° ≈ 2.0000

xyOPC

α = arccot(2) ≈ 26.5651°

P ≈ (0.8944, 0.4472)

C(2, 1) is where line OP meets the line y = 1; highlighted: cot α = 2.

All four inverse functions of 2
FunctionDegreesRadians
arcsin(2)does not exist—
arccos(2)does not exist—
arctan(2)≈ 63.4349°≈ 1.1071
arccot(2)≈ 26.5651°≈ 0.4636

See Also

FAQ

What is arccot(2)?

arccot(2) ≈ 26.5651° ≈ 0.4636 rad

How to convert arccot(2) to radians?

Multiply the angle in degrees by π/180: 26.5651° × π/180 ≈ 0.4636 rad.

Why does a calculator show 0.4636 for arccot(2)?

The calculator is in radian mode (RAD) and gives the angle in radians: arccot(2) ≈ 0.4636 rad. In degrees (DEG) it is ≈ 26.5651°.