Algebra II Module 2, Topic A, Lesson 7

Three students working in a group

Student Outcomes

  • Students define the secant function and the co-functions in terms of points on the unit circle. They relate these names for these functions to the geometric relationships among lines, angles, and right triangles in a unit circle diagram.
  • Students use reciprocal relationships to relate the trigonometric functions and use these relationships to evaluate trigonometric functions for multiples of 30, 45, and 60 degrees.

Downloadable Resources

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Common Core Learning Standards

CCLS State Standard
F.TF.2 Explain how the unit circle in the coordinate plane enables the extension of trigonometric...

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