## Trigonometry Yoga

posted in: Trigonometry

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

## The Handshake Problem

The handshake problem is an old chestnut — if everyone in the room shook hands with everyone else, how many handshakes would there be? Then generalize. What I have to add to teaching the problem is a handout (doc version, … Read More