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    Cot 8 Degrees

    Sin, Cos, Tan, Cot of an Angle
    Function
    Angle (°)

    What is cot 8°?

    Answer

    cot 8° ≈
    7.1154

    Angle in radians: 8° = 2π/45. The point of the angle is in quadrant I, where cotangent is positive.

    ≈ — rounded to 4 decimal places. cot 8° can't be written with square roots: 8° is not a multiple of 3°.

    cot 8° = cos 8° / sin 8° ≈ 7.1154

    xyOP

    P(cos 8°, sin 8°) ≈ (0.9903, 0.1392)

    C(cot 8°, 1) ≈ (7.1154, 1) — where line OP meets the line y = 1; C is beyond the drawing, the arrow points to it.

    All four functions of 8°
    FunctionExact valueDecimal
    sin 8°—≈ 0.1392
    cos 8°—≈ 0.9903
    tan 8°—≈ 0.1405
    cot 8°—≈ 7.1154

    See Also

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    https://calculat.io/en/number/trigonometry/cot--8Copy
    <a href="https://calculat.io/en/number/trigonometry/cot--8">Cot 8 Degrees: Cotangent of 8° on the Unit Circle</a>Copy
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    Cot 8 Degrees: Cotangent of 8° on the Unit Circle. cot 8° ≈ 7.1154. The cotangent is the ratio x/y of the point at 8° on the unit circle.
    https://calculat.io/en/number/trigonometry/cot--8/generated.jpgCopy

    Cotangent of nearby angles

    Anglecot
    5°≈ 11.4301
    6°≈ 9.5144
    7°≈ 8.1443
    8°≈ 7.1154
    9°≈ 6.3138
    10°≈ 5.6713
    11°≈ 5.1446
    Recalculate with different values ↑

    FAQ

    What is cot 8°?

    cot 8° ≈ 7.1154

    Why does cot 8° 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°. 8° is not, so no such exact form exists; the value is used as a decimal: cot 8° ≈ 7.1154.

    Why does a calculator show −0.1471 for cot 8?

    The calculator is in radian mode (RAD): it takes cot 8 as the cotangent of 8 radians, cot 8 rad ≈ −0.1471. Switch it to degrees (DEG): cot 8° ≈ 7.1154. In radians the value is never undefined: π is irrational, so a whole number of radians never lands exactly on an axis.

    See Also