Math 112 - Precalculus - Spring 2023

Class Information

Instructor: Tuan Pham
Class meetings: M, T, Th, F, 12:00-12:50 PM at Badgley Hall 142
[Syllabus]   [Canvas]   [Class Schedule]   [Homework Schedule]  

Office Hours

Monday, Friday 10:00-11:45 PM, Tuesday, Thursday 2-3 PM, or by appointment at Loso Hall 225

Assignments

  • The list of homework problems is in the homework schedule link above.
  • Quizzes will be given at random times on random days:
    [Quiz 1]   [Quiz 2]  
  • Lecture notes

  • Review for Final exam (Jun 9)
  • Lecture 36 (Jun 8): dot product and angles betweeen two vectors
  • Lecture 35 (Jun 6): operations on vectors
  • Lecture 34 (Jun 5): vectors on the plane
  • Lecture 33 (Jun 2): complex numbers, arithmetic in polar form
  • Lecture 32 (Jun 1): complex numbers, arithmetic in standard form
  • Lecture 31 (May 30): polar coordinates allowing r<0
  • Lecture 30 (May 26): polar coordinates
  • Lecture 29 (May 25): practice with laws of sines and cosines
  • Lecture 28 (May 23): law of sines and law of cosines
  • Lecture 27 (May 22): practice solving trigonometric equations (cont.)
  • Lecture 26 (May 19): practice solving trigonometric equations
  • Lecture 25 (May 18): solve equations involving trigonometric functions
  • Lecture 24 (May 16): inverse trigonometric functions (cont.)
  • Lecture 23 (May 15): determine periods; inverse trigonometric functions
  • Lecture 22 (May 12): graph manipulation, amplitude, frequency, phase shift
  • Lecture 21 (May 11): graph of trigonometric functions
  • Lecture 20 (May 9): practice with proving trigonometric identtities
  • Lecture 19 (May 8): sum and double angle identities
  • Review for Midterm exam (May 5)
  • Lecture 18 (May 4): Pythagorean identity; quadrants; worksheet
  • Lecture 17 (May 2): practice on complement, negative, supplement angle identities
  • Lecture 16 (May 1): complement, negative, supplement angle identities
  • Lecture 15 (Apr 28): sin, cos, tan, cot, sec, csc in triangle and unit circle
  • Lecture 14 (Apr 27): draw angles in standard position
  • Lecture 13 (Apr 25): conversion between degrees and radians; sine and cosine function
  • Lecture 12 (Apr 24): standard position of angles; radian
  • Lecture 11 (Apr 21): convert decimal degrees to DMS
  • Lecture 10 (Apr 20): angles and measurements
  • Lecture 9 (Apr 17): solving equations and inequalities involving the logarithm
  • Lecture 8 (Apr 14): solving inequalities involving the exponential functions
  • Lecture 7 (Apr 13): solving equations involving the exponential functions
  • Lecture 6 (Apr 11): combine many logarithms into one
  • Lecture 5 (Apr 10): sign chart (cont.)
  • Lecture 4 (Apr 7): sign chart
  • Lecture 3 (Apr 6): the logarithm functions
  • Lecture 2 (Apr 4): the exponential functions
  • Lecture 1 (Apr 3): introduction
  • Supplement materials

  • Polar graphing tool
  • Trigonometric identities sheet
  • GeoGebra: An interactive graphing tool
  • Links

    EOU's Portal, Library, Learning Center, Writing Center, Testing Center

    This page was last modified on Friday, Jun 23, 2023.