The number of hours of sunlight in a particular location S(t) can be modeled by the function S(t)=12+2cos(2π/183)t where t is

Question

The number of hours of sunlight in a particular location S(t) can be modeled by the function S(t)=12+2cos(2π/183)t where t is the number of days after January 1st. (That is, t=0 means January 1st.)

After how many days will there be 12 hours of sunlight for the first time during the year?

Kunduz · Accepted Answer

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