I understand that for y = -2sin, the graph flips. But, what about for y = sin(-2x)? What does that look like on the graph? Do I flip y = sin(-2x) as well? Also, how is y = (-2x) different from y = sin(2x)?
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How is sin(-x) related to sin(x)? How is sin(2x) related to sin(x)? Now put 'em together....
y1 = sin 2x, and y2 = sin(-2x) see the graph does it flip?
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