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cos()

« convert_uuencode | cosh »
<?php
$float = cos (
      // float $arg
);
?>
Result
$float = -1.0
Examples
#1 cos  (0)
#2 cos  (M_PI_2)
#3 cos  (M_PI)
See also
acos, acosh, cosh, deg2rad, sin, tan
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