When you have no idea how to work out a problem

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Homework Statement:: evaluate ##y=\frac{sin{x}}{\text{n}}## at ##n=3## and ##x=3##
Relevant Equations:: ##y=\frac{sin{x}}{\text{n}}##

##y=\frac{sinx}{n}##
##y=\frac{si\cancel{n}x}{\cancel{n}}##
##y=six##
##y=6##
 
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Wrong. Since ##\pi=3##, the expression evaluates to 0.
 
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