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OpenStudy (anonymous):
Does (sin^3x+cos^3x)/(sinx+cosx) = 1- sinxcosx ??
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OpenStudy (anonymous):
@satellite73
OpenStudy (anonymous):
@Luigi0210
OpenStudy (loser66):
yup
OpenStudy (anonymous):
can you prove it for me ?
OpenStudy (anonymous):
Im having trouble
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OpenStudy (loser66):
just apply a^3 + b^3 =(a+b)(a^2-ab+b^2) where a = sin, b = cos
OpenStudy (loser66):
|dw:1389241381368:dw|
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