Teaching with Trig Tricks, (c) 2014, A. Azzolino

Teaching with Trig Tricks
© 2014, Agnes Azzolino

Index

Coming Full Circle:
"Computer as a Lecture Tool in Precalculus"
Take notes with Alt+Print Screen and a paint program.
Make 30-45-60 functions easy.
Think "Oscar Had A Heap Of Apples."
Use connect-the-dots to complete simple compuations.
Make radian measure easy.
Consider reference angles and "Veronica's Bow Tie."
See the Unit circle move.
"Derive" quadrantals and trig graphs with SketchPad.
Graph all 6 functions w/special trig graph paper.
"Prove" the Pythagorean identities with the Unit circle.
Curve shift with Excel.
Review with Windows Explorer.

Make 30°-45°-60° functions easy.
Think "Oscar Had A Heap Of Apples."
Use connect-the-dots to complete simple compuations.

8th grade to precalculus

Oscar Had A Heap Of Apples

TAKE A MOMENT TO TRY questions on one page

answers on one page

connect-the dots questions

connect-the-dots answers

more connect-the-dots

Make radian measure easy.
Consider reference angles and "Veronica's Bow Tie."

2 mile race

30°s, 60°s

45°s, quadrantals

a perfect quiz

internet trig reasources

See the Unit circle move.
Derive" quadrantals and trig graphs with SketchPad.
Graph all 6 functions w/special trig graph paper.
Take notes with Alt+Print Screen and a paint program
"Prove" the Pythagorean identities with the Unit circle.

unit circle - web, static

unit circle - web, active

sine/cosine only, web active

blank 3 planes per page, web

Unit Circle and Similar Triangles

Blank 3 plane paper

"Derive" Tangent from Sine and Cosine

Graph of Tangent

All 6 Functions

Pythagorean Identities on the Unit Circle

Curve shift with Excel.
Curve shift with an image.

sine sine on a spreadsheet, web

cut and pasted spreadsheet notes

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