For a given location, the daily number of sunlight hours fluctuates throughout the year. Suppose that the number of sunlight hours is given by the following function. D t=12+ 8.3cos2π/365t In this equation,  Dt is the number of hours of sunlight in a day, and t is the number of days after June 21st.   Find the following. If necessary, round to the nearest hundredth.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter8: Polynomials
Section8.1: Adding And Subtracting Polynomials
Problem 44PPS
Question

For a given location, the daily number of sunlight hours fluctuates throughout the year. Suppose that the number of sunlight hours is given by the following function.

D t=12+ 8.3cos2π/365t

In this equation, 

Dt is the number of hours of sunlight in a day, and t is the number of days after June 21st.

 

Find the following. If necessary, round to the nearest hundredth.

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