Being able to visualize the trigonometric functions is important. This video will get you up to speed by showing you the basic graph for sine and cosine. You want to memorize key values such as its maximum and minimum, as well as where it goes through the x-axis. This will make graphing transformed functions easier. For more video please visit http://www.mysecretmathtutor.com

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This video introduces trigonometric functions using the right triangle definition. We learn that the six trigonometric functions can be evaluated using ratios of the side lengths of triangles. We also look at the two special right triangles: 30-60-90 & 45-45-90.

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