Compute the cotangent of x, where x is in degrees


In the Julia programming language, the function cotd(x) computes the cotangent of x where x is in degrees.

julia> cotd(45)
  1. Calculate the cotangent of an angle in degrees:

    julia> cotd(30)

    This example calculates the cotangent of 30 degrees.

  2. Evaluate the cotangent of multiple angles:

    julia> angles = [45, 60, 90];
    julia> cotd.(angles)
    3-element Array{Float64,1}:

    It computes the cotangent of each angle in the given array.

  3. Use cotd in mathematical expressions:
    julia> x = 30;
    julia> y = cotd(x) + 2 * cotd(2 * x);
    julia> y

    It demonstrates the usage of cotd within a mathematical expression.

Common mistake example:

julia> cotd("60")
ERROR: MethodError: no method matching cotd(::String)

In this example, the function cotd is called with a string argument "60". The correct usage is to provide a numeric value representing an angle in degrees. Make sure to pass a valid numeric argument to cotd 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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