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# AP Calculus AB

An interactive log for students and parents in my AP Calculus class. This ongoing dialogue is as rich as YOU make it. Visit often and post your comments freely.

## Wednesday, February 08, 2006

### Friday's Scribe post.

late once again...

Friday, the first day of second sem. Even though classes were shortened we had learned a lot. As usual, question were up on the board for us to answer.

The first question asked us to list all the pythagorean trigonometry identities.
- sin2x + cos2x = 1
- tan2x +1 = sec2x
- 1 + cot2x = cscx

The second question was a question similar to the questions we had for homework.

The third, told us to find the derivatives of the three inverse trig functions...

With Friday's lessons, we have added three new derivative rules and three antiderivative rules in our banks.

That's it from Friday.