21: Appendices Last updated Jul 8, 2021 Save as PDF 20.4.1: Constant Coefficient Homogeneous Systems I (Exercises) 21.1: A.1- Trigonometric Identities Page ID75281 ( \newcommand{\kernel}{\mathrm{null}\,}\) 21.1: A.1- Trigonometric Identities21.2: A.2- Review of Derivative Rules21.3: A.3- Table of Derivatives21.4: A.4- Table of Integrals