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

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

Chapter 5: Analytic Trig (61 pages)

Section 5.1 in Larson: Fundamental Identities (IDs)

Section 5.2 in Larson: Verifying Trig IDs

Section 5.3 in Larson: Solving Trig Equations

Part 1

Part 2

Sections 5.4 and 5.5 in Larson: More Trig Ids

Handout: This Trig IDs handout will be handed out in class. 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

Proof Without Words (much neater than the "book" proof!)

M141LawOfCos.pdf

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

M1410601Chart.pdf

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!

M1410605Handout.pdf

(Page Count)

Midterm 4 Notes: about 99 pages

So far: about 448 pages total

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