cos

(PHP 4, PHP 5, PHP 7, PHP 8)

cos — Cosine

Description

cos(float $num): float

cos() returns the cosine of the num parameter. The num parameter is in radians.

Parameters

num: An angle in radians

Return Values

The cosine of num

Examples

Example #1 cos() example


<?php

echo cos(M_PI); // -1

?>

PHP cURL Tutorial: Using cURL to Make HTTP Requests

cURL is a powerful PHP extension that allows you to communicate with different servers using various protocols, including HTTP, HTTPS, FTP, and more. ...

Autor : TheMax
Category: PHP-Tutorials

Midjourney Tutorial - Instructions for beginners

There is an informative video about Midjourney, the tool for creating digital images using artificial intelligence, entitled "Midjourney tutorial in German - instructions for beginners" ...

Autor : Mike94
Category: KI Tutorials

Basics of views in MySQL

Views in a MySQL database offer the option of creating a virtual table based on the result of an SQL query. This virtual table can be queried like a normal table without changing the underlying data. ...