Add math functions back to the prelude (#6595)

* Add math functions back to the prelude

* Update output

* Update docs

rust/kcl-lib/src/std/array.rs

@@ -144,15 +144,15 @@ pub async fn reduce(exec_state: &mut ExecState, args: Args) -> Result<KclValue,
 ///
 ///   // Start the decagon sketch at this point.
 ///   startOfDecagonSketch = startSketchOn(XY)
-///     |> startProfile(at = [(math::cos(0)*radius), (math::sin(0) * radius)])
+///     |> startProfile(at = [(cos(0)*radius), (sin(0) * radius)])
 ///
 ///   // Use a `reduce` to draw the remaining decagon sides.
 ///   // For each number in the array 1..10, run the given function,
 ///   // which takes a partially-sketched decagon and adds one more edge to it.
 ///   fullDecagon = reduce([1..10], initial = startOfDecagonSketch, f = fn(i, partialDecagon) {
 ///       // Draw one edge of the decagon.
-///       x = math::cos(stepAngle * i) * radius
-///       y = math::sin(stepAngle * i) * radius
+///       x = cos(stepAngle * i) * radius
+///       y = sin(stepAngle * i) * radius
 ///       return line(partialDecagon, end = [x, y])
 ///   })
 ///
@@ -165,13 +165,13 @@ pub async fn reduce(exec_state: &mut ExecState, args: Args) -> Result<KclValue,
 /// fn decagon(radius):
 ///     stepAngle = ((1/10) * TAU): number(rad)
 ///     plane = startSketchOn(XY)
-///     startOfDecagonSketch = startProfile(plane, at = [(math::cos(0)*radius), (math::sin(0) * radius)])
+///     startOfDecagonSketch = startProfile(plane, at = [(cos(0)*radius), (sin(0) * radius)])
 ///
 ///     // Here's the reduce part.
 ///     partialDecagon = startOfDecagonSketch
 ///     for i in [1..10]:
-///         x = math::cos(stepAngle * i) * radius
-///         y = math::sin(stepAngle * i) * radius
+///         x = cos(stepAngle * i) * radius
+///         y = sin(stepAngle * i) * radius
 ///         partialDecagon = line(partialDecagon, end = [x, y])
 ///     fullDecagon = partialDecagon // it's now full
 ///     return fullDecagon