Troubleshooting Attached File: Solutions Here

Thenervemann
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Need help with the file attatched.

thanks.
 

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Thenervemann said:
Need help with the file attatched.

thanks.

Welcome to the PF. Can you start by expressing the cos() term in terms of some sin() term that is equivalent? Note that the angular frequencies are the same for the sin and cos terms...
 
I picked up this problem from the Schaum's series book titled "College Mathematics" by Ayres/Schmidt. It is a solved problem in the book. But what surprised me was that the solution to this problem was given in one line without any explanation. I could, therefore, not understand how the given one-line solution was reached. The one-line solution in the book says: The equation is ##x \cos{\omega} +y \sin{\omega} - 5 = 0##, ##\omega## being the parameter. From my side, the only thing I could...
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