tan 1 xy

這款雪人

12月 5, 2011

黃懷雙

kuso

Find y' if tan^-1 (xy) = 1+(x^2)y?能把雪人堆成這樣的，都不是凡人                                       &Science & Mathematics > Mathematics Science & Mathematics > Mathematics Science & Mathematics > Mathemati ......

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找到車子壞掉的原因了

12月 5, 2011

何新冬

kuso

Derivative of tan-1 (xy) = 1+ x^2y?找到車子壞掉的原因了!Science & Mathematics > Mathematics Science & Mathematics > Mathematics Science & Mathematics > Mathemati ......

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只能說這個辣妹太神勇了...

12月 5, 2011

葉詩萍

kuso

If f(x) = tan^-1 x, show that f(x) + f(y) = f((x+y) / (1-xy))?只能說這個辣妹太神勇了...Science & Mathematics > Mathematics Science & Mathematics > Mathematics Science & Mathematics > Mathemati ......

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寶貝！不準給我落跑

12月 5, 2011

范姜慕秋

kuso

Find tan^-1(xy/(1+x^2+y^2)^1/2)?寶貝！不準給我落跑阿公 ~~不要拉我啦~~ 我想去完啦.........Science & Mathematics > Mathematics Science & Mathematics > Mathematics Science & Mathematics > Mathemati ......

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好奇害死一隻貓的最佳寫照....

12月 5, 2011

謝半松

kuso

Find the sol.of tan^-1(xy/(1+x^2+y^2)^1/2)?好奇害死一隻貓的最佳寫照....find the sol.of tan^-1(xy/( 1+x^2+y^2)^ 1/2)? find the sum of the series1. 1-1cos2a/2+( 1*3 cos4a)/2*4... ......

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好個再來一罐...

12月 5, 2011

梁寄瑤

kuso

X + tan (xy) = 0, find dy/dx?好個再來一罐...I know you have to differentiate implicitly, and I got to sec^2 (x*dy/dx + y) = - 1, and then I don't... ......

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