What do I have to know to graph the tangent and cotangent function

The video tutorial covers essential concepts needed before starting a course on tangent and cotangent functions. It begins with an introduction to evaluating tangent and cotangent on the unit circle, emphasizing their reciprocal nature. The tutorial then explains the significance of asymptotes, particularly when denominators equal zero, making values undefined. It also discusses graphing various functions, including quadratic, logarithmic, and rational, highlighting the importance of understanding input and output. Finally, the video stresses the role of fractions in identifying phase shifts, periods, and scales, providing a comprehensive foundation for the course.

Describe the importance of understanding coordinate points on the unit circle for graphing tangent and cotangent functions.

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How do fractions play a role in identifying phase shifts and periods in tangent and cotangent functions?

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