# \#trigonometry **URL:** https://discuss.ocaml.org/tag/trigonometry/613.md [Latest](https://discuss.ocaml.org/latest.md) · [Categories](https://discuss.ocaml.org/categories.md) · [Tags](https://discuss.ocaml.org/tags.md) --- ## [We don't have sincos in the Stdlib?](https://discuss.ocaml.org/t/we-dont-have-sincos-in-the-stdlib/12756)
**Author:** [@UnixJunkie](https://discuss.ocaml.org/u/UnixJunkie)\ **Replies:** 8\ **Last updated:** [August 7, 2023, 3:14am UTC](https://discuss.ocaml.org/t/we-dont-have-sincos-in-the-stdlib/12756 "2023-08-07T03:14:22Z")
If I am right, we have sin and cos but not the combination of the two. On modern hardware, I think there are special instructions to compute both at once. Because, sometimes you need both the sin and cos of an angle. T…