Question: Explain how the exact value of sin 75 can be found using either Eq. (20.9) or Eq. (20.11).

Explain how the exact value of sin 75° can be found using either Eq. (20.9) or Eq. (20.11).

Explain how the exact value of sin 75° can be found using

either Eq. (20.9) or Eq. (20.11).

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