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OpenStudy (anonymous):
Need help guys! sinxcosy+cosxsiny=1 Find dy/dx
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OpenStudy (anonymous):
sinxcosy+cosxsiny=1 sin(x+y)=1 diff. both sides w.r.t. x (1+dy/dx)cos(x+y)=0 dy/dx=-1
OpenStudy (anonymous):
Where did the 1 come from?
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