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GDScript has the following built-in trigonometry functions: - `sin()` - `cos()` - `tan()` - `asin()` - `acos()` - `atan()` - `atan()` - `sinh()` - `cosh()` - `tanh()` However, it lacks the hyperbolic arc (also known as inverse hyperbolic) functions: - `asinh()` - `acosh()` - `atanh()` Implement them by just exposing the C++ Math library, but clamping its values to the closest real defined value. For the cosine, clamp input values lower than 1 to 1. In the case of the tangent, where the limit value is infinite, clamp it to -inf or +inf. References #78377 Fixes godotengine/godot-proposals#7110