September 2001
Intermediate to advanced
768 pages
32h 45m
English
Content preview from PHP Functions Essential Reference
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asin
float asin(float float) Returns the calculated arcsine of the given argument.
Returns:
Arcsine of a number
Description:
asin() calculates the arcsine of a value.
Version:
PHP 3, PHP 4
See also:
acos() atan() atan2() cos() sin() tan()
Example:
Calculate the arcsine of a value
$sin = 0.75; echo "The arcsine of $sin is ", asin($sin); |
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.