A series of free, online Trigonometry Video Lessons with examples, solutions, videos, worksheets, and activities to help students understand trigonometry.
Related Pages
More Lessons for Trigonometry
Math Worksheets
In these free lessons, we will look at how to Graph Sine and Cosine with Different Coefficients.
The Graph of Cosine, y = cos (x)
About the unit circle, the definition of cosine and plot points.
Graphing Sine and Cosine With Different Coefficients (Amplitude and Period)
How to find the amplitude and period of a couple of functions?
Graphing y = -2 cos(2x)
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