Fall 2007

Math 117

Trigonometry

Lecture

• Section 003 TR 8:00am-8:50am E208
• Section 004 TR 10:00am-10:50am W119
• Section 005 TR 1:00pm-1:50pm E208

• College Algebra with TRIGONOMETRY by Barnett, Ziegler and Byleen (Eighth Edition)

Syllabus

Comprehensive Final Exam

December, 17th, 2007 (Monday), 07:30am-09:30am, Chemistry 190

Homework

• 6.1 1-69 odd, 75,78, 81, 83, 85, 95
• 6.2 1-55 odd, 67
• Additional 1-75 odd
• 6.3 1-113 odd
• 6.4 1-59 odd
• 6.5 1-55 odd
• 6.6 1-71 odd

• 7.1 1-33 odd, 39-75 odd, 89, 91
• 7.2 1-58 odd, 65, 67, 69
• 7.3 19 odd, 15-39 odd, 47-53 odd, 65
• 7.5 1-53 odd, 67, 69

• 8.1 1-31 odd
• 8.2 1-31 odd
• 8.4 1-37 odd, 45-55 odd
• 8.5 1-55 odd, 67

Final Review (15 Exercises)

1. p. 541 no. 95
2. p. 550 no. 57
3. p. 558 no. 21,22
4. p. 575 no. 20
5. p. 589 no. 33
6. p. 606 no. 30
7. p. 629 no. 86
8. p. 639 no. 31
9. p. 640 no. 46
10. p. 651 no. 67
11. p. 673 no. 32
12. p. 687 no. 12
13. p. 697 no. 47
14. p. 727 no. 45, 51
15. p. 740 no. 33

Solutions to the review exercises

1. 3pi/4 = 2.36 radians
2. 228 feet
3. sqrt(2), 2/sqrt(3)
4. even
5. no amplitude, period=pi, phase shift=pi/6
6. sqrt(2)/2
7. start with the LHS, then try LCD and simplify
8. sqrt(3)/2
9. start with the LHS, then use sum and difference identity of sine, simplify and done
10. there are two ways to solve this problem; we did one way in class
11. x=2k pi, pi/6+2k pi, 11pi/6+2k pi, k is an integer
12. beta=22degree, gamma=128degree, c=7.88feet
13. angle between CAB=33 degree (use Pythagorean Theorem)
14. r=5sin(theta) and 3x-4y=-1
15. 1