ANNOUNCEMENTS
MTH 112 (Lecture Section 010)
Fall 1998

12/8/98
The correct answers to the final are (answers in parentheses are half credit):

a, a (e), b (c), b (a), c (e), d, b, d (a), b, d (b), e, d, a, 3Pi/4 and 8/15.
An exam key will be posted outside my office first thing tomorrow (Wednesday). Please remove only to copy.

11/26/98
Recommended homework problems for §7.4: 1,3,7,9,11,15,25,27,29,33,35,39,41,47,53,55.

11/25/98
The final is comprehensive: Roughly half the exam will cover material since the 2nd Midterm, and roughly half will cover material up to the 2nd Midterm. Good things to review:

  • The Cumulative Test on page 590.
  • The Review Exercises on pages 585-586.
  • Review Exercises 35-42 and 45-50 on page 866.
  • The Unit 3 Test on page 63 of the Study Guide.
  • The sample Final on pages 64-65 of the Study Guide.

    • 11/25/98
    NEW ROOM ASSIGNMENTS FOR FINAL!
    Rooms for the Final (Monday, 7 December, 4-5:50 PM) have been added to the course home page.

    11/13/98
    Today is the last day to withdraw (or change to S/U)!
    (Strange but true: The 13th of the month is more likely to be a Friday than any other day of the week!)

    11/11/98
    Exams will be returned tomorrow. The correct answers are:

    c, d, b, d, b, a, ¾Pi and 8/15, (simplify), (sqrt(6)-sqrt(4))/4 = sqrt(2-sqrt(3))/2, 11,266 ft
    There is an exam key posted outside my office door. Please remove it only to make a copy.

    11/9/98
    Here are some exams (not mine) from previous terms in PDF format, with solutions:

  • Midterm 1
  • Midterm 2
  • Final

    • (You need something like Acrobat Reader to read these.)

    11/9/98
    Good things to review for Midterm 2:

  • The Chapter Test on page 530.
  • The first 10 problems of the Cumulative Test on page 590.
  • The Review Exercises on pages 527-528.
  • The first 28 Review Exercises on pages 585-586.
  • The Unit 2 Test on page 35 of the Study Guide.

    • 10/29/98
    In §6.5, we will not cover the Product-to-Sum and Sum-to-Product formulas on pages 520-521.
    However, it is worth knowing that they exist, and where to find them.
    Recommended homework problems for §6.5: 4,10,24,34,40,46,50.

    10/26/98
    If you're stuck on last week's lab (on inverse trig functions), get help!
    There are two patterns, only one of which is relevant to the problem.

    10/21/98
    Exams will be returned tomorrow, although the multiple choice results may not yet be available.
    The correct answers are: d, d, b, d, d, a, a (b is half credit), 0.174 km = 174 m, 118 ft, 108 ft.
    There is an exam key posted outside my office door. Please remove it only to make a copy.

    10/21/98
    There is a lab tomorrow (10/22), covering material from §5.6.

    10/19/98
    ROOM CHANGE! This change applies to both midterms.
    Ryan's section (018) will take the midterms in Wngr 153, NOT in Glsn 200. No change to the other sections.

    10/19/98
    The figure in the text for problem 36 of §5.7 on page 468 is incorrect! The angle of depression should be measured with respect to the horizontal, and is therefore only 55-28=27° in the figure. The correct answer to the problem as written is 11.8; the correct answer to the problem as drawn in the figure is 12.6.

    10/16/98
    Good things to review for Midterm 1:

  • Problems 81-86 on page 411.
  • The Group Activity on page 420.
  • Figure 5.60 on page 443.
  • The Chapter Test on page 478.
  • The Review Exercises on pages 473-476.
  • The Unit 1 Test on pages 28-29 of the Study Guide.

    • 10/14/98
    Rooms for Midterm 1 (Tuesday, 20 October, 6-7:20 PM) have been added to the course home page.
    The ground rules are described in the grading policy.
    Please remember to bring a pencil; some questions will be machine graded. (Answer sheets will be provided.)

    10/12/98
    Today's Netscape class demo (requires a Java compatible browser) relating the graphs of sin and cos to circular motion can be found at http://www.keypress.com/sketchpad/java_gsp/sinewaver.html.
    Today's Maple demos illustrating the roles of a,b,c,d in y=a*sin(b*x-c)+d can be found in GIF form here.

    10/1/98
    TA office hours have been added to the course home page.

    9/30/98
    Algebra quiz tomorrow in recitation (§P.1-§P.4).

    9/28/98
    My office hours will be MW 9:30-10:30 in Kidder 306 and by appointment.
    Right after class is always a good time to talk to me.

    9/22/98
    Grades will be based on the numerical results of your exams and quizzes/labs, as described in the grading policy. The single number obtained this way will be curved. This curve will be no stricter than

    90-100
    		A
    80-89
    		B
    70-79
    		C
    65-69
    		D
    < 65
    		F
    A plus or minus may be appended to a letter grade.