thumb|Diagram for the deriving the power-reducing formula for the sine function|260x260px
thumb|Diagram for the deriving the power-reducing formula for the sine function|260x260px
In mathematics education, precalculus is a course, or a set of courses, that includes algebra and trigonometry at a level that is designed to prepare students for the study of calculus, thus the name precalculus (from ). Schools often distinguish between algebra and trigonometry as two separate parts of the coursework.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).