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1. 

2. 

3.

Guest Jan 23, 2018
 #1
avatar+89998 
+1

1.  The period is 2 seconds

 

2.    For June.... t  = 6

 

And  sin  ( [ pi (6) / 6 ] )  =  sin  (pi)  = 0

 

So.......the first part of the function evaluates to  0

 

So..... the average min  in June  is 44.1°

 

3.   90°

 

 

 

cool cool cool

CPhill  Jan 23, 2018

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