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1 NAME 2 cos - compute cosine 3 4 SYNOPSIS 5 float cos(float x) 6 7 8 DESCRIPTION 9 Return the cosine of the argument. 10 11 ERRORS 12 An error will result if the argument is too large to accurately 13 compute the cosine (around 1e9). 14 15 SEE ALSO 16 kfun/sin, kfun/tan