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cos(x^2) ºÎÁ¤ÀûºÐÀº? |
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Posted at 2012-10-23 17:41:17
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2012-10-23 20:19:06 |
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^^j0seph´ÙÀ½ ½Ã°£¿¡ ¾Ë·Á ÁØ´Ù°í ¾à¼ÓÀ» Çß¾î¿ä. ²À ºÎŹÀ» µå¸³´Ï´Ù. |
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2012-11-04 22:58:04 |
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¾î¾î ±×°Å ÀûºÐ ºÒ°¡´É ²ÃÀä,
{sinx(x^2)}/2x ¹ÌºÐÇغ¸¸é cos(x^2)-{sin(x^2)}/x^2 ÀÌ ³ª¿À´Âµ¥ µÚ¿¡²¨ x^2=t ·Î ġȯÇϸé sinx/x °¡ ³ª¿Í ºÒ°¡´É²ÃÀÔ´Ï´Ù. sinx/x , cosx/x , 1/lnx µîÀÇ ²ÃÀº ºÎÁ¤ÀûºÐ ºÒ°¡´ÉÇÕ´Ï´Ù.
(¿©±â¼ ºÎÁ¤ÀûºÐÀ̶õ ±³À°°úÁ¤»óÀÇ ÇÔ¼öµéÀÇ Á¶ÇÕÀ¸·Î Ç¥ÇöÇÏ´Â °ÍÀ» ¸»ÇÕ´Ï´Ù. ½ÇÁ¦·Î´Â Àú·± ÇÔ¼öµéÀÇ ºÎÁ¤ÀûºÐÀ» Á÷Á¢ Á¤ÀÇÇؼ »ç¿ëÇÏ°í ÀÖ´Â °Í °°½À´Ï´Ù.) |
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