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Calculus1 16 Online
OpenStudy (anonymous):

Find dy/dx by implicit differentiation. 6 cos(9x) sin(6y)=9 Pls help me check my answer, i don't know where it's wrong 6(-9 sin9x sin6y + cos9x 6 dy/dx cos6y) =0 -54 sin9x sin6y + 36 dy/dx cos9x cos6y=0 Dy/dx= (54sin9xsin6y)/(36cos9xcos6y) Dy/dx= (3/2)(tan9xtan6y)

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