The Tangent is a Tangent!

posted in: GeoGebra, Trigonometry 13

In my post Trigonometry Yoga, I discussed how defining sine and cosine as lengths of segments in a unit circle helps develop intuition for these functions. I learned the circle definitions of sine and cosine in my junior year of … Read More

Trigonometry Yoga

posted in: Trigonometry 6

Which is bigger, the sine of 40\(^{\circ}\) or the sine of 50\(^{\circ}\)? This is a great trigonometry assessment question.   Unfortunately, virtually none of my college students who haven’t used trig for a while can answer it (without a calculator).   For … Read More

Quotes I Like

posted in: Miscellaneous 0

I thought it would be nice to have a place to put quotes I run across and old favorites that I need to reread now and then. If I get a lot of them, I’ll categorize, right now, it’s a … Read More

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