Answer
See work below
Work Step by Step
Compare with $y=a \sin c(x-h) + k$
Given $y = 100 \sin 8(t+\frac{\pi}{16})$
Amplitude is 100
Period is $\frac {2\pi}{8} = \frac{\pi}{4}$
Phase shift (Horizontal Shift) is $\frac{\pi}{16}$ to the left
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