PreCalculus

Chapter 1

Unit 1-1 Unit 1-2 Unit 1-3 Unit 1-4
Unit 1-1 Agenda
  1. Screencast Review: Angles on the x-y plane
    • Positive & Negative Angles
    • Co-terminal Angles
    • Angles in Standard Position
    • Six trigonometric functions of an angle
  2. Desmos Activity
  3. Assignment 1-1: Pg. 8 All
Unit 1-2 Agenda
  1. Radian measure of an angle
    • How did radians come about?
    • How do we convert between radians and degrees?
  2. Special Triangles and the Unit Circle
  3. Special Angles and Trigonometric Expressions
  4. Assignment 1-2: Part A Pg 15 #1-9  Part B Pg 15 #10-16
Unit 1-3 Reference Angles & The Graphing Calculator Agenda
  1. What the calculator tells you
    • sin-1 and tan-1 angles are in QI and IV
    • cos-1 angles are in QI and II
  2. Using Reference Angles to...
    • Find values of an angle given its sine value
    • Find values of an angle given its cosine value
    • Find values of an angle given its tangent value
  3. Giving all possible values for an angle
    • Degree measure ±360n
    • Radian Measure ±2πn
  4. Finding Inverse Reciprocal Values (sec-1, csc-1, & cot-1 buttons aren't on the TI-84)
  5. Assignment 1-3: Pg 21 #1-15
Unit 1-4 Vectors Agenda
  1. Vectors versus Line Segments
    • Direction
    • Magnitude (Size)
  2. Adding and Subtracting Vectors
  3. Using Trigonometric Functions with Vectors
    • Cosine & the x-component
    • Sine & the y-component
    • Using Cosine to Find the Direction of a Vector
  4. Modelling Vector Problems
  5. Assignment 1-4:Pg 32 Part A #1-8, 13-16 Part B #17-23