Section: Module 6: Lesson 3: The Unit Circle | Intro to Algebra & Trigonometry | NextGenU.org

  • Student Learning Outcomes:
    Upon completion of this lesson, you will be able to:
    • Find values of the trigonometric functions along the main axes using the unit circle.
    • Use the Pythagorean identity to find a sine from a cosine and a cosine from a sine.
    • Find values for the sin, cos, and tan for 30, 45, and 60 degree-angles.
    • Identify the domain and range of the sin and cos functions from a graph.
    • Apply reference angles.
    • Define and work with the inverse trigonometric functions.
    Approximate time required for the readings for this lesson (at 144 words/minute): 2 hours and 30 minutes.

    Click here to start this lesson
    • Students must
      Mark as done
      Required Learning Resources and Activities
    • url icon
      Section 7.3 Algebra and Trigonometry URL
      Students must
      View

      Read Section 7.3: The Unit Circle - Pages 851-866. (60 minutes)

      OpenStax, Rice University - 2015

    • url icon
      Section 8.3: Algebra and Trigonometry URL
      Students must
      View
      Read pages 950-953. (15 minutes)
      OpenStax, Rice University - 2015
    • Students must
      Mark as done

      Additional Resources for Optional Learning

    • url icon
      The Unit Circle URL
      Students must
      View

      Watch the video. (9 minutes)

      Khan Academy-2022