8: More Functions Last updated Sep 5, 2021 Save as PDF 7.7: An Improper Integral 8.1: The Arctangent Function Page ID22691 Dan SloughterFurman University ( \newcommand{\kernel}{\mathrm{null}\,}\) 8.1: The Arctangent Function8.2: The Tangent Function8.3: The Sine and Cosine Functions8.4: The Logarithm Functions8.5: The Exponential Function Thumbnail: Periodic functions. (CC BY-NC-SA; OpenStax)