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5.4 Sum andDifference FormulasEssential Question:How do you evaluate the exact value of a "non-special"angle?Standard: Tri...
5.4 Sum and Difference FormulasFind the exact value:sin 75°                          2
Find the exact value:sin 75°                        3
Ex. 1﴿ Find the exact value of the following functions: tan 105° cos 11π/12                                                4
Ex. 2﴿ Evaluate without a calculator.cos 78°cos 18° + sin 78°sin 18°Ex. 3﴿ Verify                                         5
Ex. 4﴿         6
Assignment:5.4 p. 404#4, 7, 11, 14, 15, 25, 39, 41, 56, 61                                        7
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Pc 5.4 notes

  1. 1. 5.4 Sum andDifference FormulasEssential Question:How do you evaluate the exact value of a "non-special"angle?Standard: Trig 10.0 1
  2. 2. 5.4 Sum and Difference FormulasFind the exact value:sin 75° 2
  3. 3. Find the exact value:sin 75° 3
  4. 4. Ex. 1﴿ Find the exact value of the following functions: tan 105° cos 11π/12 4
  5. 5. Ex. 2﴿ Evaluate without a calculator.cos 78°cos 18° + sin 78°sin 18°Ex. 3﴿ Verify  5
  6. 6. Ex. 4﴿ 6
  7. 7. Assignment:5.4 p. 404#4, 7, 11, 14, 15, 25, 39, 41, 56, 61 7
  8. 8. 8
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