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Trig help with homework

Guest Feb 7, 2018
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5.

 

a.  Minimum height  =  .5        Max height  =  4

 

b.  It will reach a minimum after 1 second

 

c.  Height after  2.5 seconds  =  

 

Note : cos (2.5 pi)  =  same as cos (pi/2)  =  0

 

1.75cos (2.5 pi ) + 2.25  =  1.75 (0) + 2.25  =   2.25

 

Here's a graph : https://www.desmos.com/calculator/lcxviz3ffb 

 

 

cool cool cool

CPhill  Feb 7, 2018

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