Xavier is riding on a Ferris wheel at the local fair. His height can be modeled by the equation H(t) = 20 cospi over 15 + 30, where H represents the height of the person above the ground in feet at t seconds.

Question

anonymous · Answer

How long does the Ferris wheel take to make one complete revolution?

anonymous · Answer

@aum

aum · Answer

In y = Acos(Bx) + C
the period = 2 * pi / B

How long does the Ferris wheel take to make one complete revolution?
They are asking for the period.
Identify B in the cosine function and find 2 * pi / B