Show Me The Physics - SHM

$x(t) = A \sin\left(\frac{2\pi}{T}t\right)$ or $A \cos\left(\frac{2\pi}{T}t\right)$
Current Model
Amplitude ($A$) 1.0 m
Period ($T$) 2.0 s

$\sin$ starts at $0$. $\cos$ starts at $A$.

Identify the Equation

Measure the gold wave using the graph units.