You can search for identifiers within the package.
in-package search v0.2.0
val sin_cplx : Complex.t -> Complex.t
val cos_cplx : Complex.t -> Complex.t
val tan_cplx : Complex.t -> Complex.t
val asin_cplx : Complex.t -> Complex.t
val acos_cplx : Complex.t -> Complex.t
val atan_cplx : Complex.t -> Complex.t