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Some of the content of this guide was modeled after a guide originally created by the Openstax and has been adapted for the GPRC Learning Commons in February 2021. This work is licensed under a Creative Commons BY 4.0 International License.


This guide covers fundamental topics in trigonometry such as: standard angle positions, trigonometric ratios, the
Sine law, and the Cosine law. This guide is designed to help students in the Department of Sciencethe
Department of Academic Upgrading, and Trades.