Sunday
May 24, 2015

Homework Help: Mathetmatics Application Problem - Need Help ASAP!

Posted by Anonymous on Sunday, November 4, 2007 at 7:35pm.

The question relates to application of sine functions.

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Sunsets are later in the summer than in the winter. For planning a sunset dinner cruise through the 30 000 islands, the cruise planners may find the time, t, in hours (on a 24 hour clock) of the sunset on the nth day of the year using the equation (calculator needs to be in degree mode):

t = 1.75sin0.986(n-80)+18.43

Determine the time of the sunset on Shera's birthday of July 26, the 207th day of the year.


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Answer:
7:52 p.m.


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How do I solve this problem?
Do I need to graph the equation or can I just solve it from doing the calculation?
When I substitute 207 in the (n-80) and solve for it, I get 203.75

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