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
solutions


MONDAY 1/5

We'll go over the syllabus and study Intro to Periodic Functions.

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



  • Online Lecture Notes: Intro to Periodic Functions


    WEDNESDAY 1/7

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


  • Class Discussion Document: Wed. W1


    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



  • Week 2: Introduction to Trigonometry

    assignments due 1/17 at 11:59pm

    Week 2 Practice Worksheet
    solutions


    MONDAY 1/12

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


  • Class Discussion Document: Mon. W2


    Online Lecture Notes, Part 1: Intro to Trig, pt. 1
    Online Lecture Notes, Part 2: Intro to Trig, pt. 2


    WEDNESDAY 1/14

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


  • Class Discussion Document: Wed. W2


    Online Lecture Notes Intro to Trig, pt. 3
    Online Lecture Notes Intro to Trig, pt. 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 3-4: The Graphs of Trig Functions

    assignments due 1/31 at 11:59pm

    Week 3 Practice Worksheet
    solutions


    MONDAY 1/19

    No class due to the Martin Luther King Jr. holiday



    WEDNESDAY 1/21

    Watch Graphing Sinusoidal Functions, part 1, video before class (96 min.)
  • blank notes document for video


  • Class Discussion Document: Wed. W3


    MONDAY 1/26

    Watch Graphing Sinusoidal Functions, part 2, video before class (72 min.)
  • blank notes document for video (same as previous)


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


  • Class Discussion Document: Mon. W4


    Online Lecture Notes: Graphing Sinusoidal Functions
    Online Lecture Notes: Graphs of the Other Trig Functions

    Additional Practice Problems:
  • §8.1 in online textbook: #7-13 odd, 19, 23, 25, 29
  • MTH 112 Supplement §2.3: #1-6
  • §8.2 in online textbook: #6, 7, 8, 9



  • Week 4-5: Inverse Functions and Solving Equations

    assignments due 2/7 at 11:59pm

    Week 4 Practice Worksheet
    solutions


    WEDNESDAY 1/28

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


  • Class Discussion Document: Wed. W4


    Online Lecture Notes: Inverse Trig Equations

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


  • MONDAY 2/2

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


  • Class Discussion Document: Mon. W5


    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 5-6: Midterm Exam

    Week 5 Practice Worksheet
    solutions


    WEDNESDAY 2/4

    review/practice/study for the Midterm Exam


    MONDAY 2/9

    Midterm Exam
    2:00pm - 4:30pm



    Week 6-7: Right and Non-right Triangles

    assignments due 2/21 at 11:59pm

    Week 6 Practice Worksheet
    solutions


    WEDNESDAY 2/11

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


  • Class Discussion Document: Wed. W6


    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


  • MONDAY 2/16

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


  • Class Discussion Document: Mon. W7


    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 7-8: Trig Identities

    assignments due 2/28 at 11:59pm

    Week 7 Practice Worksheet
    solutions


    WEDNESDAY 2/18

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


  • Class Discussion Document: Wed. W7


    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


  • MONDAY 2/23

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


  • Class Discussion Document: Mon. W8


    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 8-9: Polar Coordinates

    assignments due 3/7 at 11:59pm

    Week 8 Practice Worksheet
    solutions


    WEDNESDAY 2/25

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


  • Class Discussion Document: Wed. W8


    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


  • MONDAY 3/2

    Watch Complex Numbers and Polar Coordinates video before class (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
    solutions


    WEDNESDAY 3/4

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

  • Watch The Dot Product video before class (71 min.)
    [Only the first 41 minutes (3.5 pages of notes) is required.]

  • blank notes document for video


  • Class Discussion Document: Wed. W9


    Online Lecture Notes: Intro to Vectors
    Online Lecture Notes: The Dot Product

    Additional Practice Problems:
  • §10.8 in online textbook: #7-19 odd, 29, 31, 33, 35, 39, 49, 51, 53



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

    assignments due 3/14 at 11:59pm

    Week 10 Practice Worksheet
    solutions



    MONDAY 3/9 & WEDNESDAY 3/11

    Review/practice/study for the Final Exam.

    Watch A Summary via Some Examples video before class (87 min.)
  • blank notes document for video



  • Finals Week

    FINAL EXAM
    Wednesday, March 18
    2:00pm - 4:30pm