1. May 6, 2008 #1

   Coordinator

   

   hi, is it possible to find the intersect of three different sinusoidal functions without using a graphing calculator?
   
   here are the three equations:
   
   y=sin (2pi/23)(x)
   y=sin (pi/14)(x)
   y=sin (2pi/33)(x)
   
   The hint given is that the intersect occurs when y=1

    

   Coordinator, May 6, 2008
2. 
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3. May 6, 2008 #2

   Vid

   

   What is x when sin(x) = 1?

    

   Vid, May 6, 2008

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