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  2. Topic
    Mathematics
  3. Study Set
    Functions Modeling Change
  4. Exam
    Exam 9: Trigonometric Identities, Models, and Complex Numbers
  5. Question
    Show That\(\cos 3 t=4 \cos ^{3} t-3 \cos t\)
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Show That cos⁡3t=4cos⁡3t−3cos⁡t\cos 3 t=4 \cos ^{3} t-3 \cos tcos3t=4cos3t−3cost

Question 61

Question 61

Essay

Show that cos⁡3t=4cos⁡3t−3cos⁡t\cos 3 t=4 \cos ^{3} t-3 \cos tcos3t=4cos3t−3cost .

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