4200= 4.2 km so
4200 + 325= 4525 meters
jason ran 4525 meters
A phase shift is defined as the a<span>mount of x by which sinusoid is shifted to the left or right.
And yes, </span><span>every sine function be expressed as a phase shifted cosine function:
</span>
sin(t)=cos(90-t)
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