Try another version of this question
Outside temperature over a day can be modeled as a sinusoidal function. Suppose you know the temperature varies between 56 and 74 degrees during the day and the average daily temperature first occurs at 9 AM. How many hours after midnight, to two decimal places, does the temperature first reach 61 degrees?
hours after midnight
hours after midnight
Box 1: Enter your answer as a number (like 5, -3, 2.2172) or as a calculation (like 5/3, 2^3, 5+4)
Enter DNE for Does Not Exist, oo for Infinity
7.24