PHP cos() Function – Description, Parameters, Return Value, and Example
This article explains PHP’s cos() function, detailing its purpose of returning the cosine of a radian argument, describing the arg parameter, the return value, and providing a sample code snippet that demonstrates its usage and expected output.
Function: cos() returns the cosine of the given argument.
Parameter: arg – angle expressed in radians.
Return value: The cosine of arg as a floating‑point number.
Example:
<?php
echo cos(M_PI);
?>Output:
// -1Signed-in readers can open the original source through BestHub's protected redirect.
This article has been distilled and summarized from source material, then republished for learning and reference. If you believe it infringes your rights, please contactand we will review it promptly.
Laravel Tech Community
Specializing in Laravel development, we continuously publish fresh content and grow alongside the elegant, stable Laravel framework.
How this landed with the community
Was this worth your time?
0 Comments
Thoughtful readers leave field notes, pushback, and hard-won operational detail here.