1. This information was very interesting to read about. I had no idea about the amount of information that is lost each day. That may explain why while during finals I forget about certain topics. I do think that this information depends on the person. Some people can understand something once and it stays with them much longer than it would with another person. However, most students that are willing to do the homework will understand the topic much more thoroughly.
2. I am still very confused about the graphs of the trigonomic functions. What are trigonomic function graphs used for? Also, how can people/I use first revolution angles in my daily life?
April 10, 2007 4:55 PM
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The graphs of trigonometric functions provide a way for us to interpret the equations of those trigonometric functins in a simpler way. Since trigonometric functinos are periodical, many times finding out what its period (how long one revolution takes) or its amplitude is much simpler by simply using a graph. Lets take for example the function y = (23/6)sin(12x/7). Unless you have certain rules memorized, finding the amplitude and period of that function may seem complicated, however if you graph it you would be able to find out, just by inspection, the values of either the amplitude or period. This is just one of the many applications that the graphs of trigonometric functinos have, I hope it helps you some day.
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