Geometry Module 2, Topic E, Lesson 28

Student Using Laptop

Student Outcomes

  • Students use graphing calculator to find the values of sin ⁡θ and cos ⁡θ for θ between 0 and 90.
  • Students solve for missing sides of a right triangle given the length of one side and the measure of one of the acute angles.
  • Students find the length of the base of a triangle with acute base angles given the lengths of the other two sides and the measure of each of the base angles.

Downloadable Resources

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Common Core Learning Standards

CCLS State Standard
G.SRT.7 Explain and use the relationship between the sine and cosine of complementary angles.
G.SRT.8 Use trigonometric ratios and the Pythagorean Theorem to solve right triangles in applied problems.★

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