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    Exam 9: Trigonometric Identities and Their Applications
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    Using the Sum or Difference Formulas
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Using the Sum or Difference Formulas

Question 12

Question 12

Short Answer

Using the sum or difference formulas, Using the sum or difference formulas,    . Round all answers to 4 decimal places. . Round all answers to 4 decimal places.

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a) 7.2111
...

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