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OpenStudy (anonymous):
Find all solutions of the equation in the interval [0,2pi] A) 2sin3x-1=0
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OpenStudy (cwrw238):
sin 3x = 0.5 3x = pi/3 in first quadrant can you continue?
OpenStudy (anonymous):
so pi/6
OpenStudy (cwrw238):
no pi/3 / 3 = pi/9 thats one solution
OpenStudy (anonymous):
NO ITS PI OVER 6
OpenStudy (cwrw238):
as we want x in the interval [0,2pi] we have to consider 3x between 0 and 6pi.
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OpenStudy (anonymous):
can u draw this out pleaz
OpenStudy (anonymous):
|dw:1351717656214:dw|
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