polars.Expr.arcsin# Expr.arcsin() → Expr[source]# Compute the element-wise value for the inverse sine. Returns: ExprExpression of data type Float64. Examples >>> df = pl.DataFrame({"a": [1.0]}) >>> df.select(pl.col("a").arcsin()) shape: (1, 1) ┌──────────┐ │ a │ │ --- │ │ f64 │ ╞══════════╡ │ 1.570796 │ └──────────┘