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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The Answer of 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) $\pi$

Determine Whether the Function Is Periodic f(x)=8sin⁡2x+9cos⁡2xf ( x ) = 8 \sin 2 x + 9 \cos 2 xf(x)=8sin2x+9cos2x

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