MATH 139
Pre-Calculus II: Trigonometry
Joliet Junior College · UGRD · Fall 2026
Catalog description
Precalculus II is the study of the trigonometric functions using the unit circle approach. Topics of study include the following: graphs of trigonometric functions, inverse trigonometric functions, trigonometric identities, trigonometric equations, right angle trigonometry, polar coordinates, complex numbers in trigonometric form, vectors and parametric equations. Students cannot receive credit for both MATH 139 and MATH 142. ~
Sections
Current meeting, instructor, credit, and enrollment details
Section
FullSeats: 24/24 seats Last recorded: Aug 15, 2026, 4:58 PM- Days & times
- Mo · 7:45 – 9:45 AM
- Meeting dates
- Aug 24 – Dec 18
- Location
- J Building 2014
- Instructor
- Jackson, Carol S.
Section notes
Instructional method: Lecture; Final Exam
Section
1 openSeats: 23/24 seats Last recorded: Aug 15, 2026, 4:58 PM- Days & times
- Mo · 12:00 – 1:45 PMMo · 12:15 – 2:15 PM
- Meeting dates
- Aug 24 – Dec 18
- Location
- J Building 2008; Internet Based Course WEB
- Instructor
- Ruffatto, David P.
Section notes
Instructional method: Lecture; Online; Final Exam
Section
FullSeats: 24/24 seats Last recorded: Aug 15, 2026, 4:58 PM- Days & times
- Th · 7:45 – 9:45 AM
- Meeting dates
- Aug 24 – Dec 18
- Location
- J Building 2010; Internet Based Course WEB
- Instructor
- Sourile, Daniel J.
Section notes
Instructional method: Lecture; Online; Final Exam
Section
18 openSeats: 8/26 seats Last recorded: Aug 15, 2026, 4:58 PM- Days & times
- We · 11:00 AM – 1:15 PMWe · 10:00 AM – 12:00 PM
- Meeting dates
- Sep 21 – Dec 18
- Location
- J Building 2010; Internet Based Course WEB
- Instructor
- Ruffatto, David P.
Section notes
Instructional method: Lecture; Online; Final Exam