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How do I find the value of p (t)= (-200sin (20π t))×(10cos (20πt))

 Jul 15, 2015

Best Answer 

 #1
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=2000sin(20πt)cos(20πt))=10002sin(20πt)cos(20πt))=1000sin(40πt)

 

It t is an integer than this equals  0

otherwise I think it is fully simplified.    

 Jul 15, 2015
 #1
avatar+118696 
+5
Best Answer

=2000sin(20πt)cos(20πt))=10002sin(20πt)cos(20πt))=1000sin(40πt)

 

It t is an integer than this equals  0

otherwise I think it is fully simplified.    

Melody Jul 15, 2015

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