**MATH 141 - PRECALCULUS**

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**• NOTES FOR MIDTERM 4**

**• OUTLINE FOR MIDTERM 4: **Math141Outline4.pdf

**BIG FILES:**** **Sections
5.1-5.3 … Sections
5.4-5.5 and IDs** **…** **Chapter 6 … Handout: “More Trig IDs”
handout will be handed out in class. It is critical!

**SMALLER FILES (if you can’t get
the big files):**

**Chapter 5:
Analytic Trig (61 pages)**

Section 5.1 in Larson:
Fundamental Identities (IDs)

**Basic Trig IDs
(handed out in class from Ch.4): **Basic Trig IDs
(also in 5.1 notes)

Section 5.2 in Larson:
Verifying Trig IDs

Section 5.3 in
Larson: Solving Trig Equations

Sections 5.4 and 5.5 in Larson:
More Trig Ids

**More Trig IDs
(handed out in class): **Handout. It is critical!

**•
DERIVATIVES OF TRIG FUNCTIONS (OPTIONAL)**

We mentioned this
at the end of Chapter 5. If you're curious, here are some calculus notes on
this topic: Section
3.4 (pdf) from Math 150

**Chapter 6:
Additional Topics in Trig (38 pages of primary notes)**

Section 6.1 in Larson: The Law
of Sines

Section 6.2 in Larson: The Law
of Cosines

**Flowchart for
Sections 6.1 and 6.2** (better for
practical use than actual "memorization")

Section 6.3 in Larson: Vectors
in the Plane

Section 6.4 in Larson: Vectors
and Dot Products

Section 6.5 in Larson: Trig
Form of a Complex Number

**Related
"Handout"** (not handed out
in class, though; print it!

**Khan Academy on
Euler’s Formula** (Do you have
emotion?)

https://www.youtube.com/watch?v=mgNtPOgFje0

** (Page Count)**

Midterm 4 Notes:
about 99 pages

So far: about 448
pages total

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me … MATH 141 HOME … HOME