|
|
|||||||
| ÊÁѤÃÊÁÒªÔ¡ | ¤ÙèÁ×Í¡ÒÃãªé | ÃÒª×èÍÊÁÒªÔ¡ | »¯Ô·Ô¹ | ¢éͤÇÒÁÇѹ¹Õé | ¤é¹ËÒ |
  |
|
|
à¤Ã×èͧÁ×ͧ͢ËÑÇ¢éÍ | ¤é¹ËÒã¹ËÑÇ¢é͹Õé |
|
#1
25 ¸Ñ¹ÇÒ¤Á 2013, 23:36
|
|||
|
|||
¢Íá¹Ç¤Ô´àÃ×èͧµÃÕ⡳ÁÔµÔ¤ÃѺ
¶éÒà»ç¹áººÅÐàÍÕ´áÅéÇ¡çÁÕ¢Ñ鹵͹ä´é¡çÂÔ觴չФÃѺ
 1) ¼Å¤Ù³¢Í§¤ÓµÍº¢Í§ÊÁ¡Òà tan^-1(3x^2+1) = 2tan^-1 1/2 à·èҡѺà·èÒã´ 2) ¼ÅºÇ¡¢Í§¤ÓµÍºÊÁ¡Òà sin4x° + sin2x° = cos x° ÊÓËÃѺªèǧ x 㹪èǧ [0,360) à·èҡѺà·èÒã´ 3)  ¢Íº¾ÃФس¹Ð¤ÃѺ  25 ¸Ñ¹ÇÒ¤Á 2013 23:38 : ¢éͤÇÒÁ¹Õé¶Ù¡á¡éä¢áÅéÇ 1 ¤ÃÑé§, ¤ÃÑé§ÅèÒÊØ´â´Â¤Ø³ Kenway 
|
| |
|
|
