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GBK Precalculus Jordan Johnson. Today’s agenda. Greetings Review / Submit HW from Section 5-2: Problems 19-27 odd, 29, 30, 33 Bonus : 28, 31, 32. Composite Argument Formula work Complete & Review Lesson: Other Composite Argument Forms Note: Quiz Monday. Clean-up.

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Gbk precalculus jordan johnson

GBK PrecalculusJordan Johnson


Today s agenda
Today’s agenda

  • Greetings

  • Review / Submit HW from Section 5-2:

    • Problems 19-27 odd, 29, 30, 33

    • Bonus: 28, 31, 32.

  • Composite Argument Formula work

    • Complete & Review

  • Lesson: Other Composite Argument Forms

  • Note: Quiz Monday.

  • Clean-up


  • Deriving the composite argument formula
    Deriving theComposite Argument Formula

    • Finish the composite argument formula work.


    Clean up reminders
    Clean-up / Reminders

    • Pick up all trash / items.

    • Push in chairs (at front and side tables).

    • See you tomorrow!


    Even odd functions revisited
    Even/odd functions, revisited

    • In other words:

      • cosine must be even

      • sine must be odd

    • Recall the definitions:

      • An even function f(x) obeys f(-x) = f(x).

      • An odd function f(x) obeys f(-x) = -f(x).

      • If (u, v) is the end of an arc of length x in standard position on the unit circle, then:

        • cos x = u

        • sin x = v

    • Demo in GeoGebra.


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