5: Some Basic Trigonometry Last updated May 8, 2023 Save as PDF 4.6: Rotation Matrices in 3-Dimensions 5.1: The Basic Trigonometric Functions Page ID125049 ( \newcommand{\kernel}{\mathrm{null}\,}\) 5.1: The Basic Trigonometric Functions5.2: Circular Trigonometry5.3: Graphs of the Sine Function5.4: Graphs of the Cosine Function5.5: Amplitude and Period of the Sine and Cosine Functions