tan 1 xy

你一定想不倒她是坐在哪裡講電話~這真是太強啦

12月 4, 2012

葉紫蕊

kuso

Find y' if tan^-1 (xy) = 1+(x^2)y?天呀...這樣也能坐!??? Science & Mathematics > Mathematics Science & Mathematics > Mathematics Science & Mathematics > Mathemati ......

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您的不在意，將奪走他們的生命。

12月 4, 2012

范姜映梅

kuso

Derivative of tan-1 (xy) = 1+ x^2y?被捕魚的假器具插入嘴巴，因而死亡的海獅。.....誤入廢棄塑膠圈的海獅頸被割傷。.....被捕魚器具插入嘴巴的海獅。.....被漁具纏住因而溺死的海獅。...... 人類隨手亂丟的垃圾以及捕魚工具，現在竟成了危害海洋動物生命的罪魁禍首！阿拉斯加漁獵部（Alaska Department of FisScience & Mathematics > Mathematics Science & Mathematics > Mathematics Science & Mathematics > Mathemati ......

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猜猜看...IPAD摔破之後會變甚麼

12月 4, 2012

林若綠

kuso

If f(x) = tan^-1 x, show that f(x) + f(y) = f((x+y) / (1-xy))?答案就是.... Science & Mathematics > Mathematics Science & Mathematics > Mathematics Science & Mathematics > Mathemati ......

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不可不知！大卡車剎車後會發生甚麼事

12月 4, 2012

何樂芹

kuso

Find tan^-1(xy/(1+x^2+y^2)^1/2)?看到大卡車~還是閃遠點吧!!! Science & Mathematics > Mathematics Science & Mathematics > Mathematics Science & Mathematics > Mathemati ......

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生物界大發現 原來真的有神奇海螺~

12月 4, 2012

范姜映梅

kuso

Find the sol.of tan^-1(xy/(1+x^2+y^2)^1/2)?好驚人@@ 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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七龍珠解不開的謎 克林到底是被甚麼打到了？

12月 5, 2012

郭憶香

kuso

X + tan (xy) = 0, find dy/dx?誰可以來解釋!!!! 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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