MATH 42  Trigonometric Functions
Call Number 
Schedule ID 
Location 
40984 
MATH04209 
 MTWThF 11:30 a.m.  12:20 p.m.
 5 Units
Course Syllabus
Syllabus is in downloadable PDF
Homework Assignments
HW list for 2nd ed. and HW list for 3rd ed. are in downloadable PDF (updated June 14)
Final Exam Review Materials
Suggested Final Exam review problems:
 2nd edition: Cumulative Test p. 485486 except #5, 6, 8, 11, 43, 46
 3rd edition: Cumulative Test p. 457458 except #5, 6, 8, 11, 43, 46
Solutions to Exam 1, Exam 2 and Exam 3, and a list of formulas from the quarter.
Schedule for Math 42  Spring 2016
Subject to change (dates in red are past and are not subject to change):
Date  Sections covered / activities  What's due 
Week 1 M 4/4 
Introduction (start 4.1)  
T 4/5  Angles (cont. 4.1)  
W 4/6  Angles and applications (cont. 4.1)  
Th 4/7  Right triangle trig (finish 4.1, start 4.3)  
F 4/8 
Quiz 1 (4.1) Common angles (cont. 4.3) 
4.1 HW (CP due Mon) 
Week 2 M 4/11 
Using right triangles (cont. 4.3) 
4.1 Challenge Problems 
T 4/12 
Right triangle applications; The unit circle (finish 4.3, start 4.2) 

W 4/13 
Unit circle trig functions (finish 4.2) 

Th 4/14 
General trig functions (start 4.4) 
4.3 HW due 
F 4/15 
Quiz 2 (4.2, 4.3) Reference angles (cont. 4.4) 
4.2 HW (CP due Mon) 
Week 3 M 4/18 
Graph of sin(x) (finish 4.4, start 4.5)  4.2 Challenge Problems 
T 4/19 
Graph of cos(x) (cont. 4.5) 

W 4/20 
Trig graphs (finish 4.5, start 4.6) 
4.4 HW due 
Th 4/21  More trig graphs (finish 4.6)  
F 4/22 
Quiz 3 (4.4, 4.5) 
4.5 HW due 
Week 4 M 4/25 
Review 
4.6(a) HW due 
T 4/26 
EXAM 1 (4.1  4.6(a)) 

W 4/27  arcsin(x) and arccos(x) (start 4.7)  
Th 4/28 
Inverse trig functions (finish 4.7) 

F 4/29 
Quiz 4 (4.7)  4.7 HW (CP due Mon) 
Week 5 M 5/2 
Applications of trig functions (4.6, 4.8)  4.7 Challenge Problems 
T 5/3 
Fundamental trig identities (start 5.1)  
W 5/4 
Factoring trig expressions (finish 5.1) 
4.6(b) & 4.8 HW due (please staple together) 
Th 5/5 
Verifying trig equations (5.2)  
F 5/6 
Quiz 5 (4.8, 4.6(b), 5.1) Solving trig equations (start 5.3) 
5.1 HW due 
Week 6 M 5/9 
General solutions to trig equations (cont. 5.3) Start Project 1: Directions, build instructions and handout 
5.2 HW due 
T 5/10 
Trig solutions for multiple angles (cont. 5.3) Course evaluations 

W 5/11 
Solving trig equations (cont. 5.3)  
Th 5/12 
5.3 HW questions 

F 5/13 
Quiz 6 (5.3) Sum and difference formulas (start 5.4) 
5.3 HW due 
Week 7 M 5/16 
Review  
T 5/17 
EXAM 2 (4.6(b)  4.8, 5.1  5.3)  
W 5/18 
Sum and difference formulas (cont. 5.4)  
Th 5/19 
Sum and difference and double angle formulas (finish 5.4, start 5.5(a)) 

F 5/20 
Quiz 7 (5.4) Double and half angle formulas (cont. 5.5(a)) 
5.4 HW (CP due Mon) 
Week 8 M 5/23 
More trig formulas (finish 5.5(a), start 5.5(b)) 
5.4 Challenge Problems 
T 5/24 
More trig formulas (cont. 5.5(b))  Project 1 due 
W 5/25 
Law of Sines (finish 5.5(b), start 6.1)  5.5(a) HW due 
Th 5/26 
Law of Sines (cont. 6.1) 

F 5/27 
Quiz 8 (5.5) Law of Sines (cont. 6.1) 
5.5(b) HW due 
Week 9 M 5/30 
No Class 

T 5/31 
Law of Cosines (finish 6.1, start 6.2) Start Project 2 

W 6/1 
Law of Cosines (finish 6.2) 

Th 6/2 
Vectors (start 6.3)  6.1 HW due 
F 6/3 
Quiz 9 (6.1, 6.2) Vectors (cont. 6.3) 
6.2 HW due 
Week 10 M 6/6 
Unit vectors (finish 6.3) Don't forget to turn in your Project 1 Peer Evaluation 

T 6/7 
Dot product (start 6.4)  
W 6/8 
Orthogonal vectors and projections (finish 6.4)  6.3 HW due 
Th 6/9 
Complex numbers (start 6.5) 
Project 2 due 
F 6/10 
Quiz 10 (6.3, 6.4) Complex numbers (cont. 6.5) 
6.4 HW due 
Week 11 M 6/13 
Complex number (finish 6.5) Review 

T 6/14 
EXAM 3 (5.4, 5.5, 6.16.5) 
6.5 HW due 
W 6/15  Polar coordinates (10.7)  
Th 6/16 
Polar equations (10.8) Quiz 11  Take home quiz (10.7) 

F 6/17 
Review 
Quiz 11 10.710.8 HW due 
M 6/20 11:30 1:30 
FINAL EXAM (4.1  4.8, 5.1  5.5, 6.16.5, 10.7, 10.8) 