Maths problem (dy/dx)

2007-10-05 6:56 pm
Find the Implict functions:
e^cosy = x^3 arctan y

回答 (2)

2007-10-05 7:12 pm
參考: My Maths knowledge
2007-10-05 7:09 pm
e^cosy d(cosy/dy) *dy/dx = 3x^2 arctan y + x^3/(1+y^2) *dy/dx
-sin y*e^(cos y)*dy/dx = 3x^2 arctan y+ x^3/(1+y^2) *dy/dx

化簡下就得
參考: My math knowledge


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