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Pre-Cal 40S March 25, 2009

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More sum and difference identities. Introduction to the proof of the sum and difference identities.

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Pre-Cal 40S March 25, 2009

  1. 1. Proofs of the Sum and Difference Identities ... or a clever idea Bright Idea by evanleavitt
  2. 2. The Sum and Difference Identities Notice the patterns and get ready to dance ... the Sine Dance! IMAGES (c) JANN
  3. 3. Prove each of the following identities ...
  4. 4. Given: With and Find
  5. 5. Given: With and Find
  6. 6. Given: With and Find
  7. 7. 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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