4: The Exponential Functions Last updated Save as PDF Page ID9960 Contributed by Louis ScharfResearch Professor (Mathematics) at Colorado State UniversitySourced from OpenStax CNX 4.1: Introduction4.2: The Function e^x4.3: The Function e^jθ and the Unit Circle4.4: The Euler and De Moivre Identities4.5: Roots of Unity and Related Topics4.6: Second-Order Differential and Difference Equations4.7: Numerical Experiment (Approximating e^jθ)