Tan 215 Degrees
Sin, Cos, Tan, Cot of an Angle
What is tan 215°?
Answer
tan 215° ≈
0.7002
Angle in radians: 215° = 43π/36. The point of the angle is in quadrant III, where tangent is positive.
≈ — rounded to 4 decimal places. tan 215° can't be written with square roots: 215° is not a multiple of 3°.
tan 215° = tan(180° + 35°) = tan 35° ≈ 0.7002
tan 215° = sin 215° / cos 215° ≈ 0.7002
P(cos 215°, sin 215°) ≈ (−0.8192, −0.5736)
T(1, tan 215°) ≈ (1, 0.7002) — where line OP meets the line x = 1, on the extension of the ray beyond O (dashed).
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
Tangent of nearby angles
FAQ
What is tan 215°?
tan 215° ≈ 0.7002
Why does tan 215° 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°. 215° is not, so no such exact form exists; the value is used as a decimal: tan 215° ≈ 0.7002.
Why does a calculator show 4.9561 for tan 215?
The calculator is in radian mode (RAD): it takes tan 215 as the tangent of 215 radians, tan 215 rad ≈ 4.9561. Switch it to degrees (DEG): tan 215° ≈ 0.7002. In radians the value is never undefined: π is irrational, so a whole number of radians never lands exactly on an axis.
See Also
- Tan 165 Degrees: Tangent of 165° on the Unit Circle
- Tan 167 Degrees: Tangent of 167° on the Unit Circle
- Tan 175 Degrees: Tangent of 175° on the Unit Circle
- Tan 179 Degrees: Tangent of 179° on the Unit Circle
- Tan 180 Degrees: Tangent of 180° on the Unit Circle
- Tan 195 Degrees: Tangent of 195° on the Unit Circle
- Tan 198 Degrees: Tangent of 198° on the Unit Circle
- Tan 200 Degrees: Tangent of 200° on the Unit Circle
- Tan 210 Degrees: Tangent of 210° on the Unit Circle
- Tan 211 Degrees: Tangent of 211° on the Unit Circle
- Tan 216 Degrees: Tangent of 216° on the Unit Circle
- Tan 225 Degrees: Tangent of 225° on the Unit Circle
- Tan 227 Degrees: Tangent of 227° on the Unit Circle
- Tan 234 Degrees: Tangent of 234° on the Unit Circle
- Tan 240 Degrees: Tangent of 240° on the Unit Circle
- Tan 252 Degrees: Tangent of 252° on the Unit Circle
- Tan 255 Degrees: Tangent of 255° on the Unit Circle
- Tan 270 Degrees: Tangent of 270° on the Unit Circle
- Tan 285 Degrees: Tangent of 285° on the Unit Circle
- Tan 288 Degrees: Tangent of 288° on the Unit Circle
- Тангенс 215 градусов (tg 215°) на единичной окружности
- Tangente de 215 grados (tan 215°) en el círculo unitario
- Tangente de 215 graus (tg 215°) no ciclo trigonométrico