Compute the inverse tangent of x, where the output is in radians


  1. Compute the inverse tangent of a number:

    julia> atan(0.5)

    This example calculates the inverse tangent of 0.5, which is approximately 0.4636 radians.

  2. Calculate inverse tangent for negative values:

    julia> atan(-1)

    It computes the inverse tangent of -1, which is approximately -0.7854 radians.

  3. Use atan in an expression:
    julia> x = atan(1) + atan(2)

    In this example, the atan function is used within an expression to calculate the sum of the inverse tangent of 1 and the inverse tangent of 2.

Common mistake example:

julia> atan("abc")
ERROR: MethodError: no method matching atan(::String)

In this example, the atan function is applied to a string, which is not a valid argument. Make sure to provide a numeric value as the argument to atan to avoid such errors.

See Also

acos, acosd, acosh, acot, acotd, acoth, acsc, acscd, acsch, asec, asecd, asech, asin, asind, asinh, atan, atan2, atand, atanh, cos, cosc, cosd, cosh, cospi, cot, cotd, coth, csc, cscd, csch, deg2rad, rad2deg, sin, sinc, sind, sinh, sinpi, tan, tand, tanh,

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