# Math 142: Precalculus II

- Source: [LibreTexts](https://math.libretexts.org/Courses/Highline_College/Math_142%3A_Precalculus_II)
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- PDF: https://downloads.libretexts.org/api/v1/download/math-69116/pdf

This text prepares students for calculus sequence. Concepts, properties and algebra of trigonometric functions, including their graphs, inverses, laws of sines and cosines, identities and equations. The text also covers vectors, polar coordinates and conic sections.