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Mathematics 10 Online
OpenStudy (anonymous):

How to scale graphs of sine and cosine functions? I know how to find the amplitude and shifts. I need help understanding how to scale the graphs and where the period actually is. Please help, I'm confusing myself too much. ***Upon finding all the values, such as amp, the period and any shifts, how would I know how to graph the actual graph, and more importantly, to scale the horizontal axis?

OpenStudy (anonymous):

http://www.purplemath.com/modules/grphtrig.htm

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