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Applications of Trigonometry: Laws, Complex Numbers, Polar Coordinates, and Vectors

Study Guide - Learn with Videos

Curated lessons matched to your uploaded material – learn every topic step by step.

Law of Sines

  • Solving SSA Triangles ("Ambiguous" Case) Example 1
    4:02
  • Solving SSA Triangles ("Ambiguous" Case)
    9:50
  • Solving SAA & ASA Triangles
    7:23

Law of Cosines

  • Solving SAS & SSS Triangles
    7:50
  • Intro to Law of Cosines
    4:35

Complex Numbers

  • Guided course
    Introduction to Complex Numbers
    03:31
  • Guided course
    Dividing Complex Numbers
    04:22
  • Guided course
    Complex Conjugates
    05:33

Graphing Complex Numbers

  • How To Plot Complex Numbers
    03:47

Polar Coordinate System

  • Guided course
    Determining Different Coordinates for the Same Point Example 2
    3:00
  • Guided course
    Intro to Polar Coordinates Example 1
    2:13
  • Guided course
    Intro to Polar Coordinates
    5:32

Convert Points Between Polar and Rectangular Coordinates

  • Guided course
    Convert Points from Rectangular to Polar Example 1
    2:21
  • Guided course
    Convert Points from Polar to Rectangular
    6:17
  • Guided course
    Convert Points from Rectangular to Polar
    6:58

Vectors in Component Form

  • Finding Magnitude of a Vector Example 1
    02:26
  • Algebraic Operations on Vectors Example 1
    03:11
  • Position Vectors & Component Form Example 1
    01:36

Geometric Vectors

  • Multiplying Vectors By Scalars
    05:05
  • Multiplying Vectors By Scalars Example 1
    03:12
  • Adding Vectors Geometrically
    05:29

Unit Vectors and i & j Notation

  • Unit Vector in the Direction of a Given Vector Example 1
    02:17
  • i & j Notation
    06:01
  • Unit Vector in the Direction of a Given Vector Example 2
    05:21

Dot Product

  • Introduction to Dot Product
    5:40
  • Find the Angle Between Vectors
    04:33