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    Cos 76 Degrees

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

    What is cos 76°?

    Answer

    cos 76° ≈
    0.2419

    Angle in radians: 76° = 19π/45. The point of the angle is in quadrant I, where cosine is positive.

    ≈ — rounded to 4 decimal places. cos 76° can't be written with square roots: 76° is not a multiple of 3°.

    P(cos 76°, sin 76°) ≈ (0.2419, 0.9703)

    xyOP

    P(cos 76°, sin 76°) ≈ (0.2419, 0.9703)

    Highlighted: the projection on the x-axis — cosine, x ≈ 0.2419.

    All four functions of 76°
    FunctionExact valueDecimal
    sin 76°—≈ 0.9703
    cos 76°—≈ 0.2419
    tan 76°—≈ 4.0108
    cot 76°—≈ 0.2493

    See Also

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    https://calculat.io/en/number/trigonometry/cos--76Copy
    <a href="https://calculat.io/en/number/trigonometry/cos--76">Cos 76 Degrees: Cosine of 76° on the Unit Circle</a>Copy
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    Cos 76 Degrees: Cosine of 76° on the Unit Circle. cos 76° ≈ 0.2419. The cosine is the x-coordinate of the point at 76° on the unit circle.
    https://calculat.io/en/number/trigonometry/cos--76/generated.jpgCopy

    Cosine of nearby angles

    Anglecos
    73°≈ 0.2924
    74°≈ 0.2756
    75°(√6 − √2)/4
    76°≈ 0.2419
    77°≈ 0.2250
    78°≈ 0.2079
    79°≈ 0.1908
    Recalculate with different values ↑

    FAQ

    What is cos 76°?

    cos 76° ≈ 0.2419

    Why does cos 76° 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°. 76° is not, so no such exact form exists; the value is used as a decimal: cos 76° ≈ 0.2419.

    Why does a calculator show 0.8243 for cos 76?

    The calculator is in radian mode (RAD): it takes cos 76 as the cosine of 76 radians, cos 76 rad ≈ 0.8243. Switch it to degrees (DEG): cos 76° ≈ 0.2419. In radians the value is never undefined: π is irrational, so a whole number of radians never lands exactly on an axis.

    See Also