OEF ·´Èý½Ç --- ½éÉÜ ---

±¾Ä£¿éÄ¿Ç°°üº¬ 7 ¹ØÓÚ·´Èý½Çº¯Êý: arccos, arcsin, arctg ¼°Æ临ºÏµÄÁ·Ï°.

arccos(cos)

¼ÆËã x=arc(()), °ÑËüд³É x=+ µÄÐÎʽ, ÆäÖÐ ºÍ ÊÇÓÐÀíÊý.

ÏßÐÔ arccos(cos)

¶ÔÓÚÇø¼ä [,] ÀïµÄ x, ¿ÉÒ԰Ѻ¯Êý (x)=arc((x)) ¼ò»¯³ÉÐÎÈç + µÄÏßÐÔº¯Êý. ÎÊÕâ¸öÏßÐÔº¯ÊýÊÇÔõÑùµÄ?

¶¨ÒåÓò (Arcsin, Arcos)

É躯Êý ¶¨ÒåΪ . µÄ¶¨ÒåÓòÓÉ ¸ö²»ÏཻµÄÇø¼ä¹¹³É. ¶¨ÒåÓòÊÇ ¸öÇø¼äµÄ²¢¼¯ : ËüÃǵı߽çÊÇ (°´ÉýÐòÅÅ)
,   , .
Óà +inf »ò -inf ±íʾÎÞÇî´ó.

arccos(sin)

¼ÆËã x=arc(()), °ÑËüд³É x=+ µÄÐÎʽ, ÆäÖÐ ºÍ ÊÇÓÐÀíÊý.

arctg(tg)

¼ÆËã x=arctg(tg()), °ÑËüд³É x=+ µÄÐÎʽ, ÆäÖÐ ºÍ ÊÇÓÐÀíÊý.

¸´ºÏ¿É΢·ÖÐÔ

º¯Êý (x)=arc((x)) ÔÚÇø¼ä [,] ÊÇ¿É΢µÄÂð?

¸´ºÏÖµÓò

ÒÑÖªº¯Êý (x) = . ÊÔÈ·¶¨ µÄ(¼«´ó)¶¨ÒåÇø¼ä I ¼°ÏóÇø¼ä J.

ÔڻشðÖÐÉè I=[,] (¿ª»ò±ÕÇø¼ä), J=[,] (¿ª»ò±ÕÇø¼ä). ·Ö±ðÓà "pi", "F" »ò "-F" ±íʾ , »ò -. The most recent version


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