acos
Math.acos(x) // x is a numeric value or expression between -1.0
and 1.0 radians
Computes an arc cosine (inverse cosine). Return value is between 0
and pi radians.
asin
Math.asin(x) // x is a numeric value or expression between -1.0
and 1.0 radians
Computes an arc sine (inverse sine). The return value is between -pi/2
and pi/2 radians.
atan
Math.atan(x) //x is any numeric value or expression
Computes an arc tangent (inverse tangent) in radians. The return value
is between -pi/2 and pi/2 radians.
atan2
Math.atan2(x, y) // x, y are the coordinates of the
point
Computes the counter-clockwise angle from the positive X axis to a
point (x, y). Performs half of the conversion between Cartesian coordinates
and polar coordin
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