Mathematica automatically transforms the second expression into the first one.
For example, can appear automatically from Bessel, Mathieu, Jacobi, hypergeometric, and Meijer functions for appropriate values of their parameters.Įquivalence transformations carried out by specialized Mathematica functionsĪlmost everybody prefers using instead of. The tangent function can be treated as a particular case of some more general special functions. The tangent function arising as special cases from more general functions Sometimes simple arithmetic operations containing the tangent function can automatically produce other trigonometric functions. Simplification of simple expressions containing the tangent function If the argument has the structure or, and or with integer, the tangent function can be automatically transformed into trigonometric or hyperbolic tangent or cotangent functions. Mathematica also automatically simplifies the composition of the direct and any of the inverse trigonometric functions into algebraic functions of the argument. Mathematica automatically simplifies the composition of the direct and the inverse tangent functions into its argument. Mathematica knows symmetry and periodicity of the tangent function. The remaining digits are suppressed, but can be displayed using the function InputForm. In this case, only six digits after the decimal point are shown in the results. Mathematica automatically evaluates mathematical functions with machine precision, if the arguments of the function are machine‐number elements. Here is a 50‐digit approximation of the tangent function at the complex argument. The next input calculates 10000 digits for and analyzes the frequency of the digit in the resulting decimal number.
Within a second, it is possible to calculate thousands of digits for the tangent function. The next inputs calculate 100‐digit approximations at and. Here are three examples: CForm, TeXForm, and FortranForm.Īutomatic evaluations and transformationsĮvaluation for exact, machine-number, and high-precision argumentsįor the exact argument, Mathematica returns an exact result.įor a machine‐number argument (a numerical argument with a decimal point and not too many digits), a machine number is also returned. Mathematica also knows the most popular forms of notations for the tangent function that are used in other programming languages. This shows the tangent function in TraditionalForm. This shows the tangent function in StandardForm. These involve numeric and symbolic calculations and plots.įollowing Mathematica's general naming convention, function names in StandardForm are just the capitalized versions of their traditional mathematics names. Examples of evaluating Mathematica functions applied to various numeric and exact expressions that involve the tangent function or return it are shown. The following shows how the tangent function is realized in Mathematica. Introduction to the Tangent Function in Mathematica
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