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OpenStudy (lmvillamagua):
Hey guys, Can you help me solving the following equation? cosx - sin2x =0 Thanks, Luis
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OpenStudy (the_puppet1):
Uh what?
OpenStudy (griefer101):
wow thats complicated
OpenStudy (thenaughtyserperior):
2sinxcosx - cosx = 0 cosx(2sinx - 1) = 0 cosx = 0 or sinx = 1/2 x = pi/2, 3pi/2, pi/2+2kpi, 3pi/2+2kpi x= pi/6, 5pi/6, pi/6+2kpi, 5pi/6+2kpi where k is any integer
OpenStudy (griefer101):
graphing calculator
OpenStudy (griefer101):
my brain just died
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