7:40

Lesson 1.1 part 2

21:35

Three trigonometric equations

33:13

Series lesson 1 revised

41:45

Introduction to Functions (Precalculus - College Algebra 2)

18:26

Differential equation (1)

11:34

Algebra Basics: What Are Functions? - Math Antics

13:49

Annuity question from a student

19:11

A trigonometric equation from a textbook