Tan 175 Degrees
Sin, Cos, Tan, Cot of an Angle
What is tan 175°?
Answer
tan 175° ≈
−0.0875
Angle in radians: 175° = 35π/36. The point of the angle is in quadrant II, where tangent is negative.
≈ — rounded to 4 decimal places. tan 175° can't be written with square roots: 175° is not a multiple of 3°.
tan 175° = tan(180° − 5°) = −tan 5° ≈ −0.0875
tan 175° = sin 175° / cos 175° ≈ −0.0875
P(cos 175°, sin 175°) ≈ (−0.9962, 0.0872)
T(1, tan 175°) ≈ (1, −0.0875) — 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 175°?
tan 175° ≈ −0.0875
Why does tan 175° 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°. 175° is not, so no such exact form exists; the value is used as a decimal: tan 175° ≈ −0.0875.
Why does a calculator show −1.3386 for tan 175?
The calculator is in radian mode (RAD): it takes tan 175 as the tangent of 175 radians, tan 175 rad ≈ −1.3386. Switch it to degrees (DEG): tan 175° ≈ −0.0875. 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 142 Degrees: Tangent of 142° on the Unit Circle
- Tan 144 Degrees: Tangent of 144° on the Unit Circle
- Tan 145 Degrees: Tangent of 145° on the Unit Circle
- Tan 150 Degrees: Tangent of 150° on the Unit Circle
- Tan 159 Degrees: Tangent of 159° on the Unit Circle
- Tan 160 Degrees: Tangent of 160° on the Unit Circle
- Tan 162 Degrees: Tangent of 162° on the Unit Circle
- Tan 164 Degrees: Tangent of 164° on the Unit Circle
- Tan 165 Degrees: Tangent of 165° on the Unit Circle
- Tan 167 Degrees: Tangent of 167° 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 215 Degrees: Tangent of 215° on the Unit Circle
- Tan 216 Degrees: Tangent of 216° on the Unit Circle
- Tan 225 Degrees: Tangent of 225° on the Unit Circle
- Тангенс 175 градусов (tg 175°) на единичной окружности
- Tangente de 175 grados (tan 175°) en el círculo unitario
- Tangente de 175 graus (tg 175°) no ciclo trigonométrico