You can search for identifiers within the package.
in-package search v0.2.0
type cosin = {
cos : float;
sin : float;
}
val cos_sin : float -> cosin
val pi : float
val two_pi : float
val deg2rad : float
val rad2deg : float
val to_radian : float -> float
val is_NaN : float -> bool
val dihedral_angle : V3.t -> V3.t -> V3.t -> V3.t -> float
val approx_equal : float -> float -> float -> bool
val non_zero_dist : float -> float