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Scilab Help >> Elementary Functions > Trigonometry > cosd


element-wise cosine function, argument in degree

Calling Sequence

y = cosd(x)



a real vector/matrix.


For a vector or a matrix x of angles given in degree, cosd(x) is the cosine of its elements. The results are in [-1 1]. For input elements which are equal to n*90 with n integer and odd, the result is exactly zero.



x=[0,30 45 60 90 360];

See Also

  • cos — cosine function
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Last updated:
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