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Tangent
(PHP 4, PHP 5)
tan() returns the tangent of the arg parameter. The arg parameter is in radians. Related Examples ( Source code ) » tan Examples ( Source code ) » Draw string and fill rectangle Examples ( Source code ) » Drawing a Square and a string Examples ( Source code ) » Fill Rectangle Examples ( Source code ) » Drawing a Filled Rectangle with imagefilledrectangle() Examples ( Source code ) » A Dynamic Bar Chart Examples ( Source code ) » Define class constant Examples ( Source code ) » Inheriting a Shape Class Examples ( Source code ) » Improved Inheritance Examples ( Source code ) » Class destructors Examples ( Source code ) » extends and implement Examples ( Source code ) » instanceof operator Examples ( Source code ) » Method override for Rectangle class Examples ( Source code ) » Class information is Abstract, is Final and is Instantiable Examples ( Source code ) » Factory pattern Demo Examples ( Source code ) » Singleton Pattern Demo Code Examples / Notes » tanfformula
To find cotangent you can use tan (M_PI/2 - $alfa) |
