Determine Whether the Function Is Periodic $$f ( x ) = 8 \sin 2 x + 9 \cos 2 x$$

question 136

Multiple Choice

Determine whether the function is periodic. If it is periodic, find the period.
- $$f ( x ) = 8 \sin 2 x + 9 \cos 2 x$$

• A) \(2 \pi\)
• B) \(\frac { \pi } { 2 }\)
• C) Not periodic
• D) \(\pi\)

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