Cot 31 Degrees
Sin, Cos, Tan, Cot of an Angle
What is cot 31°?
Answer
cot 31° ≈
1.6643
Angle in radians: 31° = 31π/180. The point of the angle is in quadrant I, where cotangent is positive.
≈ — rounded to 4 decimal places. cot 31° can't be written with square roots: 31° is not a multiple of 3°.
cot 31° = cos 31° / sin 31° ≈ 1.6643
P(cos 31°, sin 31°) ≈ (0.8572, 0.5150)
C(cot 31°, 1) ≈ (1.6643, 1) — where line OP meets the line y = 1.
See Also
- Arcsin, Arccos, Arctan, Arccot - The angle from the value of its sine, cosine, tangent or cotangent: exact in degrees and π, with the check and the unit circle
- Square Root Calculator - Calculate the square root of any number
- Simplify Square Root Calculator - Write any square root in simplest radical form, step by step
- Geometry Formulas: Area, Volume, Perimeter - The formula for every standard shape, where it comes from, and worked examples
Cotangent of nearby angles
FAQ
What is cot 31°?
cot 31° ≈ 1.6643
Why does cot 31° have no exact value?
A trigonometric value of a whole number of degrees can be written with square roots only when the angle is a multiple of 3°. 31° is not, so no such exact form exists; the value is used as a decimal: cot 31° ≈ 1.6643.
Why does a calculator show −2.2640 for cot 31?
The calculator is in radian mode (RAD): it takes cot 31 as the cotangent of 31 radians, cot 31 rad ≈ −2.2640. Switch it to degrees (DEG): cot 31° ≈ 1.6643. In radians the value is never undefined: π is irrational, so a whole number of radians never lands exactly on an axis.
See Also
- Cot 21 Degrees: Cotangent of 21° on the Unit Circle
- Cot 22 Degrees: Cotangent of 22° on the Unit Circle
- Cot 23 Degrees: Cotangent of 23° on the Unit Circle
- Cot 24 Degrees: Cotangent of 24° on the Unit Circle
- Cot 25 Degrees: Cotangent of 25° on the Unit Circle
- Cot 26 Degrees: Cotangent of 26° on the Unit Circle
- Cot 27 Degrees: Cotangent of 27° on the Unit Circle
- Cot 28 Degrees: Cotangent of 28° on the Unit Circle
- Cot 29 Degrees: Cotangent of 29° on the Unit Circle
- Cot 30 Degrees: Cotangent of 30° on the Unit Circle
- Cot 32 Degrees: Cotangent of 32° on the Unit Circle
- Cot 33 Degrees: Cotangent of 33° on the Unit Circle
- Cot 34 Degrees: Cotangent of 34° on the Unit Circle
- Cot 35 Degrees: Cotangent of 35° on the Unit Circle
- Cot 36 Degrees: Cotangent of 36° on the Unit Circle
- Cot 37 Degrees: Cotangent of 37° on the Unit Circle
- Cot 38 Degrees: Cotangent of 38° on the Unit Circle
- Cot 39 Degrees: Cotangent of 39° on the Unit Circle
- Cot 40 Degrees: Cotangent of 40° on the Unit Circle
- Cot 41 Degrees: Cotangent of 41° on the Unit Circle
- Котангенс 31 градуса (ctg 31°) на единичной окружности
- Cotangente de 31 grados (cot 31°) en el círculo unitario
- Cotangente de 31 graus (cotg 31°) no ciclo trigonométrico