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OpenStudy (anonymous):
find the inflection points of cos^2(x)-2sin(x)
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OpenStudy (anonymous):
if im correct f '' is -2cosx.cosx+2sinx.sinx+1
OpenStudy (anonymous):
how do i rearrange that to make it equal to 0?
OpenStudy (anonymous):
i meant f '' is -2cosx^2(x)+2sin^2(x)+2sinx
OpenStudy (anonymous):
i think i got it thanks
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