Here are pictures of the graphs of all six trigonometric functions from 0 to 2pi, which is about 6.2832. I borrowed this from a website and I have to say the picture of tangent does not look quite right. If you put a mirror on cotangent and shift it over, it should look exactly like tangent. The little"bend" you see in the cotangent graph (known as an inflection point) is more accurate.
We will be discussing how to manipulate the functions in the next few classes.
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