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Proofs of the Sum and
Difference Identities ...
           or
     a clever idea




            Bright Idea by evanleavitt
The Sum and Difference
                           Identities
    Notice the patterns
  and get ready to dance
    ... the Sine Dance!




IMAGES
(c) JANN
Prove each of the following identities ...
Given:   With   and

  Find
Given:          With   and
         Find
Given:   With   and

  Find
Proofs of the Sum and Difference Identities ...




                         Rotate ROP so that
                                                  O
          O              OP lies on the
                         positive x-axis




                  TO BE COMPLETED

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Pre-Cal 40S March 25, 2009

  • 1. Proofs of the Sum and Difference Identities ... or a clever idea Bright Idea by evanleavitt
  • 2. The Sum and Difference Identities Notice the patterns and get ready to dance ... the Sine Dance! IMAGES (c) JANN
  • 3. Prove each of the following identities ...
  • 4.
  • 5.
  • 6. Given: With and Find
  • 7. Given: With and Find
  • 8. Given: With and Find
  • 9. Proofs of the Sum and Difference Identities ... Rotate ROP so that O O OP lies on the positive x-axis TO BE COMPLETED