Question 899886
Sketch the graph of function and show your solution 
1. y= sin pi(x)/4
1st: Draw one period of a standard sine curve
2nd: Since the period is (2pi)/(pi/4) = 8, label the right end
of the sketch x = 8/2
3rd: Replicate that sketch to the right and to the left.
{{{graph(400,400,-12,12,-2,2,sin(pi*x/4))}}}
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 2. y= sin 4x
1st: Draw one period of a standard sine curve.
2nd: Since the period is (2pi)/4 = (1/2)pi, label the right end
of the sketch x = pi/2
3rd: Replicate that sketch to the right and to the left.
{{{graph(400,400,-12,12,-2,2,sin(4x))}}}
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Cheers,
Stan H.
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