I got the chapter 3 trig test back today (took it on Friday), scored a 95%. The test was on relating sinusoid graphs to their equations, by identifying things like amplitude, phase shift, horizontal/vertical stretches or compressions, etc.
We're now on chapter 4, which is all about identity properties of trigonometric functions, such as sin = 1/csc.
I just got home from chemistry lab, where today we carried out an acid-base titration. In lecture, we're studying electromagnetic radiation. I'm a bit familiar with this thanks to an interest in sound and electronics, so there is not much unfamiliar material in this chapter. I do need to go back over the last chapter, however, which discussed gas properties, behaviors, and laws.
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