Work Step by Step
$sin (49) = 59.2/n$ $sin (49)*n = 59.2/n*n$ $sin (49)*n = 59.2$ $sin (49)*n/sin (49) = 59.2/sin (49)$ $ n = 59.2/sin (49)$ $n= 59.2/.7547$ $n = 78.44$
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