atan2() trigonometric function takes two values (Y, X) and returns its inverse for the atan() function. atan() trigonometric function takes a number and returns its inverse for the tan() function asin() trigonometric function takes a number and returns its inverse for the sin() function. 
acos() trigonometric function takes a number and returns its inverse for the cos() function.
Last time, we discussed that, sadly, according to the State of CSS 2025 survey, trigonometric functions are deemed the “Most Hated” CSS feature.…
tan() function takes a calculation that resolves to either an <angle> or <tnumber> and returns the result's tangent, which ranges between -Infinity and Infinity.
calc() function performs math between values, whether that's addition, subtraction, division, or multiplication, along with any other math function. 
