Backend Development 1 min read
PHP acos() Function – Inverse Cosine (Radians)
The PHP acos() function returns the arccosine of a given float argument in radians, detailing its signature, parameter description, return value, and providing example code with expected outputs for various inputs.
Laravel Tech Community
Laravel Tech Community
The acos() function in PHP returns the arccosine of a given argument, expressed in radians.
Signature: float acos(float $arg)
Parameter $arg is the value whose inverse cosine is to be calculated.
Return value: the arccosine of $arg as a float in radians.
Example:
Corresponding output:
0.876298061168
1.57079632679
3.14159265359
0
-1.#INDWritten by
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