# 微分積分学の前学習

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The Precalculus Photo Project / Trig Functions

Today I made a cheat sheet to give to our students tomorrow as we get ready for a polynomials quiz on Thursday and mid-year review next week. Really, the sheet is as much for me as it is for them:) It's a half-sheet so I papercut the sheet in half and hole punch for the kids to put in their binders. You can download it from the "Freebies!" section of the sidebar if your kids need a reminder too!

Architecture: Law of Sines and Law of Cosines -- Why use them? - YouTube

Unit Circle Interactive Notebook Page Idea

This is a series of six posts about how I approach topics in Pre-Cal. They represent a sample of what I get the most questions about which always seem to start "how do you..." Objective Students realize that the hypotenuse of a right triangle, the magnitude of a vector, and the r-value of a polar coordinate are three different names for the same quantity. Students realize that the direction of a vector and the theta-value of a polar coordinate are the same quantity. Students understa...

Parametric Equations Activity

SparkNotes: Precalculus: Trigonometric Functions: Trigonometric Functions

I didn't get to teach Pre-Calculus this year, which was really rough because I LOVE Pre-Cal, especially all of the trig! I was feeling no...

Precalculus Reference Sheet

The Secondary Classroom can be fun too.....: Triangle Interactive Notes - Law of Sines/Cosines/Heron's