Author Archives: Sybil Shaver

Due to circumstances beyond my control, Test 4 will be postponed until Wednesday 4 December. I know you are very sad to hear this 🙂 We will have class as usual today and it’s a very important lesson, so see … Continue reading →

Here are some really good resources that get right to the important points.   A good introduction to the binomial theorem is on this page at Math is Fun. They also explain how to construct and use Pascal’s Triangle to … Continue reading →

• New topic: polar form of complex numbers, and multiplying and diving complex numbers in polar form and then changing back into standard form a+bi. An improved version of the notes I handed out in class can be found here: … Continue reading →

(Wednesday after Test 4) Topics: • Filling out the unit circle important points in the first quadrant (for use in solving trig equations today) You can practice this using a copy of the handout:  Unit circle for practice. You should be … Continue reading →

I hope this is an improved version of the notes I used in class! I will work out some examples also.   The five important points are the x-intercepts and the maximum and minimum points. You should know how to … Continue reading →

Test 4 is scheduled for the first hour or so of class on Wednesday 6 December. The topics are listed in the Self-Tests sheet, and also in the links below. But make sure that you practice, don’t just read or … Continue reading →

Apologies for the delayed posts while I was getting my computer fixed… I’m working on catching up now Topics: • Discussion of exponential functions in applications. The solutions to the quiz are posted here. • How to find the coordinates … Continue reading →

There will be a quiz tomorrow. The topics will be exponential function application, and finding the amplitude, period, and phase shift for a sine or cosine function.

Topics: • Quick review of the three definitions of the trig functions – we need to use all three from time to time, but the Unit Circle definitions are the most important! • Important facts that follow from the definitions: … Continue reading →

Topics: • Discussion of some homework problems (Exercise 15.1 parts 1, b, c) Here is something that came up in (c): * We need to know how to interpret what the calculator is telling us. In particular, when the result … Continue reading →