Maths problem (dy/dx)
Find the Implict functions:
e^cosy = x^3 arctan y
回答 (2)
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
收錄日期: 2021-04-13 19:30:43
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