Acos () PHP Function - This function calculates the arc cosine of a number.

Asin () PHP Function - This function calculates the arc sine of a number.

Atan () PHP Function - This function calculates the arc tangent of a number in radians.

Atan2 () PHP Function - This function calculates the arc tangent using the coordinates for a point.

Cos () PHP Function - This function calculate the cosine of a number in radians.

Cosh () PHP Function - This function is used to calculate the hyperbolic cosine.

Hypot () PHP Function - Use this function to calculate the hypotenuse of a right triangle.

Pi () PHP Function - All things Pi and Pi related with PHP

Rad2Deg () PHP Function - This allows you to convert your calculations from radians to degrees.

Sin () PHP Function - This function allows you to calculate the sine.

Sinh () PHP Function - This function is for calculating the hyperbolic sine.

Sqrt () PHP Function - This function is used to calculate the square root of a number.

Tan () PHP Function - This function calculates the tangent.

Tanh () PHP Function - This is used to calculate the hyperbolic tangent of a number.