Back Matter Last updated Dec 31, 2020 Save as PDF 7.6: Area of a Circle Index Page ID43975 ( \newcommand{\kernel}{\mathrm{null}\,}\) IndexAPPENDIX - Proof of the Z TheoremBIBLIOGRAPHYValues of the Trigonometric FunctionsAnswers to Odd Numbered ProblemsLIST OF SYMBOLSDetailed Licensing