[微分]

[king911015 (早已放棄愛上你)]

lim      1
     〔-----  -  (cotX)^2 〕
x->0    X^2




Find the slope of the line tangent to the graph of the equation
sin(xy) = x^2 (cosy) at the point (2,π/2).

--
※ 發信站: 批踢踢實業坊(ptt.cc) 
◆ From: 218.175.76.51