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OpenStudy (anonymous):
what is the equation to this graph?
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OpenStudy (anonymous):
Directrix (directrix):
@ello_bello The graph is one of the sinusoids - sine or cosine. The cosine of 0 = 1. On the graph, the point (0,-1) or almost (0,-1) is shown. Graph y = - cos(x) on your calculator and compare that graph with the given one. After that, adjustments may need to be made to the angle.
Directrix (directrix):
Check out this online graphing calculator: http://my.hrw.com/math06_07/nsmedia/tools/Graph_Calculator/graphCalc.html
OpenStudy (anonymous):
the equation is=sin(x-pi/4)
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