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Precalculus Study Notes: Functions, Factoring, Domains, and Trigonometric Equations

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Function Operations

  • Percorso guidato
    Multiplying & Dividing Functions
    7:24
  • Percorso guidato
    Adding & Subtracting Functions Example 1
    4:46
  • Percorso guidato
    Adding & Subtracting Functions
    5:56

Function Composition

  • Percorso guidato
    Decomposition of Functions
    4:07
  • Percorso guidato
    Function Composition
    4:56
  • Percorso guidato
    Domain Restrictions of Composed Functions
    3:51

Intro to Functions & Their Graphs

  • Percorso guidato
    Finding the Domain and Range of a Graph
    5:10
  • Percorso guidato
    Verifying if Equations are Functions
    5:38
  • Percorso guidato
    Relations and Functions
    5:20

Rational Equations

  • Percorso guidato
    Restrictions on Rational Equations
    05:21
  • Percorso guidato
    Introduction to Rational Equations
    05:56

Trigonometric Functions on the Unit Circle

  • Percorso guidato
    Sine, Cosine, & Tangent on the Unit Circle
    6:34

Common Values of Sine, Cosine, & Tangent

  • Percorso guidato
    Example 1
    6:04
  • Percorso guidato
    Sine, Cosine, & Tangent of 30°, 45°, & 60°
    5:08

Sum and Difference Identities

  • Percorso guidato
    Sum and Difference of Tangent
    4:47
  • Percorso guidato
    Sum and Difference of Sine & Cosine Example 3
    2:42
  • Percorso guidato
    Sum and Difference of Sine & Cosine
    06:14

Double Angle Identities

  • Percorso guidato
    Double Angle Identities
    5:06
  • Percorso guidato
    Double Angle Identities Example 1
    2:33
  • Percorso guidato
     Double Angle Identities Example 2
    2:26

Solving Trigonometric Equations Using Identities

  • Percorso guidato
    Solve Trig Equations Using Identity Substitutions
    4:42