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Please note that the recommended version of Scilab is 6.1.1. This page might be outdated.
See the recommended documentation of this function

Scilab manual >> Elementary Functions > Trigonometry > cotd

cotd

cotangent

Calling Sequence

y=cotd(x)

Arguments

x

Real array.

y

Real array with same dimensions as x.

Description

The entries of y are the cotangents of the corresponding entries of x supposed to be given in degree. t=cos(x)./sin(x). For entries equal to n*180 with n integers the results are infinite, whereas cotg(n*%pi) is large but finite because %pi cannot be represented exactly. For entries equal to n*90 with n integers and odd the results are exactly 0.

Examples

x=[30 45 60 90];
cotd(x)

See Also

Authors

  • Serge Steer, INRIA
<< cosm Trigonometry cotg >>

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Last updated:
Wed Jan 26 16:23:40 CET 2011