Php sin
From w3cyberlearnings
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PHP function sin
This function returns the sine of X, and X is a radian.
Syntax sin
X is a number and it is a raidan.
sin(X)
Example 1
<?php echo sin(pi()); echo "<br/>"; echo sin(M_PI_4); echo "<br/>"; echo sin(3.5); echo "<br/>"; ?>
Output
1.2246467991474E-16 0.70710678118655 -0.35078322768962
