Multivariable Calculus - Problem Sets
Spring 2013, Math 236

January and February, 2013

Be sure to check back often, because assignments may change!
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• Read (or re-read) the description of multi problem sets, to learn or remind yourself of the reasoning, the procedures, expectations of how you'll work on them, etc.
• You are always responsible for daily WeBWorK assignments as well as for the weekly assignment.
• If a weekly assignment consists of both WeBWorK and handwritten problems, it is a good idea to complete the WeBWorK problems first, both because you'll be able to learn from the feedback that WeBWorK gives you, and because usually many of the WeBWorK problems will be at a more introductory level than the handwritten problems.
• Remember - for the handwritten problems, follow the Guidelines for Homework Presentation.
• Work on the problem set throughout the week.
• Each problem set is due at the beginning of class Wednesdays.
• If you work with others, remember that in the end, the work and understanding must be your own.
• If you work with others, you must cite them on specific problems or at the beginning of the problem set.
• If I am assigning a Writing Exercise or Exploratory Exercise, I will refer to it as, for instance WE #2, or EE#3.
• Please come to see me for help!

PS 1: due Wednesday 1/30

WeBWorK: covers bits of Section 9.1 and 9.3. On Problem 4, write your parametric equations as <x(t), y(t)>.

Handwritten:

Section 9.1: 2, 6, 22, 42, 46
For 2 & 6, do not use graphing technology). For 22, to graph a parametric plot, use Maple (see bottom of main public page for instructions on how to download onto your computer and a link to guidelines for using Maple), or go online to Wolfram Alpha and type "parametric plot (cos(3t), sin(_t)), t=0..2Pi
Section 9.2: All problems from the textbook have been postponed to next week.
Section 9.3: 27

PS 2: due Wednesday 2/6

WeBWorK: Covers a bit of Section 9.3 again, as well as 9.2, 9.4 and 9.5

Handwritten:

Section 9.2: 20
Section 9.4: 12, 36
For 36, plot points by hand, rather than just copying what technology creates.
Section 9.5: 28

PS 3: due Wednesday 2/13

WeBWorK: Covers Sections 10.1, 10.2, 10.3, and a little of 10.4

Handwritten:

Section 10.1: 2, 8, 40
Note: #40 asks you to find a direction. Please find both the angle and a unit vector in that direction.
Section 10.2: 2, 44, 56
Note: For #2, plot each point on a different set of axes. For each, show all lines used.
Section 10.3: 31

PS 4: due Wednesday 2/20

WeBWork: Covers Sections 10.3 and 10.4

Handwritten:

Section 10.3: 34
Section 10.4: 24, 43, 44, 60

PS 5: due Wednesday 2/27

WeBWorK: Covers Section 10.5 and 11.1

Handwritten:

None: I want you to know before the exam whether the ideas are all making sense

Janice Sklensky
Wheaton College
Department of Mathematics and Computer Science
SC 1306
Norton, Massachusetts 02766-0930
TEL (508) 286-3973
FAX (508) 285-8278
jsklensk@wheatonma.edu

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