cosine function and expressions, physics problems help

label Physics
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Jan 13th, 2016

Thank you for the opportunity to help you with your question!

1)  y = 0.75 cos (pi/5)x

y(4)  =  0.75 Cos ((pi/5)*4) =  - 0.61

 2)  b = 3


Please let me know if you need any clarification. I'm always happy to answer your questions.
Jan 13th, 2016

Thank you so much!!!!!! you are awesome! are you able to answer 3, 4, and 5?

Jan 13th, 2016

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Jan 13th, 2016
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Jan 13th, 2016
Jun 26th, 2017
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