MTH 112Z Class Calendar

Winter 2026



Week 1: Angles & Arc-length and Periodic Functions

assignments due 1/10 at 11:59pm

Week 1 Practice Worksheet


Angles and Arc-length

Angles and Arc-length video (77 min.)
  • blank notes document for video


  • Online Lecture Notes: Angles and Arc-length

    Additional Practice Problems:
  • §7.1 in online textbook: #1-4, 7-21 odd, 22, 27-39 odd, 41-45 odd, 51-57 odd
  • MTH 112 Supplement §2.1: #1-12
  • Periodic Functions

    Intro to Periodic Functions video (23 min.)
  • blank notes document for video


  • Online Lecture Notes: Intro to Periodic Functions



    Week 2: Introduction to Trigonometry

    assignments due 1/17 at 11:59pm

    Week 2 Practice Worksheet


    Intro to Trig

    Intro to Trig, part 1, video (115 min.)
  • blank notes document for video


  • Intro to Trig, part 2, video (69 min.)
  • blank notes document for video


  • Online Lecture Notes: Intro to Trig, part 1
    Online Lecture Notes: Intro to Trig, part 2
    Online Lecture Notes: Intro to Trig, part 3
    Online Lecture Notes: Intro to Trig, part 4

    Additional Practice Problems:
  • §7.3 in online textbook: #7-21 odd, 22, 35-55 odd, 59-79 odd
  • §7.4 in online textbook: #1-47 odd
  • MTH 112 Supplement §2.2: #1-4



  • Week 3: The Graphs of Trig Functions

    assignments due 1/24 at 11:59pm

    Week 3 Practice Worksheet


    Graphing Sinusoidal Functions

    Graphing Sinusoidal Functions, part 1, video (96 min.)

    Graphing Sinusoidal Functions, part 2, video (72 min.)

  • blank notes document for videos



  • Online Lecture Notes: Graphing Sinusoidal Functions

    Additional Practice Problems:
  • §8.1 in online textbook: #7-13 odd, 19, 23, 25, 29
  • MTH 112 Supplement §2.3: #1-6


  • Graphs of the Other Trig Functions

    Graphs of Other Trig Functions video (20 min.)
  • blank notes document for video


  • Online Lecture Notes: Graphs of the Other Trig Functions

    Additional Practice Problems:
  • §8.2 in online textbook: #6, 7, 8, 9



  • Week 4: Inverse Functions and Solving Equations

    assignments due 1/31 at 11:59pm

    Week 4 Practice Worksheet


    Inverse Trig Functions

    Inverse Trig Functions video (106 min.)
  • blank notes document for video


  • Online Lecture Notes: Inverse Trig Equations

    Additional Practice Problems:
  • §8.3 in online textbook: #9-21 odd, 25-35 odd


  • Solving Trig Equations

    Watch Solving Trig Equations video before class (68 min.)
  • blank notes document for video


  • Online Lecture Notes: Solving Trig Equations

    Additional Practice Problems:
  • §9.5 in online textbook: #5-9 odd, 13-21, 55 [additionally find ALL solutions]



  • Week 5: Midterm Exam

    Week 5 Practice Worksheet


    MIDTERM EXAM

    REMOTE ON ZOOM:
    Friday, February 6
    two hour interval between 5pm and 8pm

    (sign up for a starting time on the Google Sheet linked from Week 0 in D2L's "Content")



    Any college Testing Center:
    You can make an appointment to take the exam any time during Week 5.



    Week 6: Right and Non-right Triangles

    assignments due 2/14 at 11:59pm

    Week 6 Practice Worksheet



    Right Triangle Trig

    Right Triangle Trig video (53 min.)
  • blank notes document for video


  • Online Lecture Notes: Right Triangle Trig

    Additional Practice Problems:
  • §7.2 in online textbook: #11-31 odd, 25, 28, 30, 31, 36
  • §8.3 in online textbook: #22, 23


  • Laws of Sines and Cosines

    Laws of Sines and Cosines video (79 min.)
  • blank notes document for video


  • Online Lecture Notes: Laws of Sines and Cosines

    Additional Practice Problems:
  • §10.1 in online textbook: #7-13 odd, 31-37 odd
  • §10.2 in online textbook: #7-13 odd, 21-25 odd, 33, 35, 39, 41



  • Week 7: Trig Identities

    assignments due 2/21 at 11:59pm

    Week 7 Practice Worksheet



    Proving Trig Identities

    Proving Trig Identities video (69 min.)
  • blank notes document for video


  • Online Lecture Notes: Review of Trig Identities
    Online Lecture Notes: Proving Trig Identities

    Additional Practice Problems:
  • §9.1 in online textbook: #5-9 odd, 29, 33, 39


  • Other Trig Identities

    Other Important Identities video (70 min.)
  • blank notes document for video


  • Online Lecture Notes: Other Trig Identities
    Online Lecture Notes: Double- and Half-Angle Identities

    Additional Practice Problems:
  • §9.2 in online textbook: #5-13 odd, 21
  • §9.3 in online textbook: #5, 7, 13, 15, 21, 25, 27



  • Week 8: Polar Coordinates

    assignments due 2/28 at 11:59pm

    Week 8 Practice Worksheet



    Intro To Polar Coordinates

    Intro to Polar Coordinates video (93 min.)
  • blank notes document for video


  • Online Lecture Notes: Intro to Polar Coordinates
    Online Lecture Notes: Polar Equations and Functions

    Additional Practice Problems:
  • §10.3 in online textbook: #7-21 odd, 29, 37, 45-53 odd
  • §10.4 in online textbook: #17, 37, 39, 41


  • Complex Numbers and Polar Coordinates

    Complex Numbers and Polar Coordinates video (60 min.)
  • blank notes document for video


  • Online Lecture Notes: Complex Numbers

    Additional Practice Problems:
  • §10.5 in online textbook: #13, 15, 47-55 odd (for 47-55 odd, also convert to the polar form of the complex numbers)
  • MTH 112 Supplement §2.4: #1-10



  • Week 9: Vectors

    assignments due 3/7 at 11:59pm

    Week 9 Practice Worksheet



    Intro to Vectors

    Intro to Vectors video (56 min.)
  • blank notes document for video


  • Online Lecture Notes: Intro to Vectors

    Additional Practice Problems:
  • §10.8 in online textbook: #7-19 odd, 29, 31, 39, 49, 51, 53


  • The Dot Product

    The Dot Product video (71 min.)
  • blank notes document for video


  • Online Lecture Notes: The Dot Product

    Additional Practice Problems:
  • §10.8 in online textbook: #33, 35



  • Week 10: Review/Practice/Study for the Final Exam

    assignments due 3/14 at 11:59pm


    Week 10 Practice Worksheet



    No new topics this week: our priority is to prepare for the Final Exam.
    A Summary via Some Examples video (87 min.)
  • blank notes document for video



  • Finals Week

    FINAL EXAM

    REMOTE ON ZOOM:
    Monday, March 16
    two hour interval between 5pm and 8pm

    (sign up for a starting time on the Google Sheet linked from Week 0 in D2L's "Content")



    Any college Testing Center:
    You can make an appointment to take the exam any time during Finals Week.