ÈçͼËùʾ£¬ÓÐÒ»¹Ì¶¨ÔÚˮƽÃæµÄÉϵ²°å£¬¶¥¶ËÓÐһС¶¨»¬ÂÖC£¬Í¬Ò»Ë®Æ½ÃæÉϵĹ̶¨ÓÐÊúÖ±¹â»¬µÄ¸ËOD£¬A¡¢BÁ½ÇòÓÉÒ»¸ù¿ç¹ý¶¨»¬ÂÖCµÄÇáÉþÏàÁ¬½Ó£¬AΪһ´ø¿×µÄСÇò£¬´©Ôڹ⻬¹Ì¶¨µÄÊúÖ±¸ËODÉÏ£¬BÇòÓëµ²°åµÄ½Ó´¥Ãæ¹â»¬£¬C´¦»¬ÂÖĦ²Á²»¼Æ£¬C¡¢BÖ®¼äµÄÉþÓëÊúÖ±·½Ïò³É30¡ã£¬Õû¸ö×°Öô¦ÓÚ¾²Ö¹×´Ì¬£¬ÔòA¡¢BÁ½ÇòÖÊÁ¿µÄ±ÈÖµ

2,4,6

 
Ϊ

       A£®                                                                    B£®1

       C£®                                          D£®1:

Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º ÌâÐÍ£º

ÈçͼËùʾ£¬ÓÐÒ»¹Ì¶¨ÔÚˮƽµØÃæÉϵÄÇã½ÇΪ¦ÈµÄ¹â»¬Ð±Ã棬ÓÐÒ»¸ùˮƽ·ÅÔÚбÃæÉϵĵ¼Ìå°ô£¬³¤ÎªL£¬ÖÊÁ¿Îªm£¬Í¨Óд¹Ö±Ö½ÃæÏòÍâµÄµçÁ÷I£®¿Õ¼äÖдæÔÚÊúÖ±ÏòϵÄÔÈÇ¿´Å³¡£¬´Å¸ÐӦǿ¶ÈΪB£®ÏÖÔÚÊͷŵ¼Ìå°ô£¬Éèµ¼Ìå°ôÊܵ½Ð±ÃæµÄÖ§³ÖÁ¦ÎªN£¬Ôò¹ØÓÚµ¼Ìå°ôµÄÊÜÁ¦·ÖÎöÒ»¶¨ÕýÈ·µÄÊÇ£¨ÖØÁ¦¼ÓËÙ¶ÈΪg£©£¨¡¡¡¡£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010-2011ѧÄêºÓ±±Ê¡¸ß¶þµ¥Ôª¹ý¹Ø¼ì²âÎïÀíÊÔÌâ ÌâÐÍ£ºÑ¡ÔñÌâ

ÈçͼËùʾ£¬ÓÐÒ»¹Ì¶¨ÔÚˮƽµØÃæÉϵÄÇã½ÇΪ¦ÈµÄ¹â»¬Ð±Ã棬ÓÐÒ»¸ùˮƽ·ÅÔÚбÃæÉϵĵ¼Ìå°ô£¬³¤ÎªL£¬ÖÊÁ¿Îªm£¬Í¨Óд¹Ö±Ö½ÃæÏòÍâµÄµçÁ÷I¡£¿Õ¼äÖдæÔÚÊúÖ±ÏòϵÄÔÈÇ¿´Å³¡£¬´Å¸ÐӦǿ¶ÈΪB¡£ÏÖÔÚÊͷŵ¼Ìå°ô£¬Éèµ¼Ìå°ôÊܵ½Ð±ÃæµÄÖ§³ÖÁ¦ÎªN£¬Ôò¹ØÓÚµ¼Ìå°ôµÄÊÜÁ¦·ÖÎöÒ»¶¨ÕýÈ·µÄÊÇ£¨ÖØÁ¦¼ÓËÙ¶ÈΪg£©£¨    £©

A£®mgsin¦È£½BIL           B£®mgtan¦È£½BIL

C£®mgcos¦È£½N£­BILsin¦È    D£®Nsin¦È£½BIL

 

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º²»Ïê ÌâÐÍ£ºµ¥Ñ¡Ìâ

ÈçͼËùʾ£¬ÓÐÒ»¹Ì¶¨ÔÚˮƽµØÃæÉϵÄÇã½ÇΪ¦ÈµÄ¹â»¬Ð±Ã棬ÓÐÒ»¸ùˮƽ·ÅÔÚбÃæÉϵĵ¼Ìå°ô£¬³¤ÎªL£¬ÖÊÁ¿Îªm£¬Í¨Óд¹Ö±Ö½ÃæÏòÍâµÄµçÁ÷I£®¿Õ¼äÖдæÔÚÊúÖ±ÏòϵÄÔÈÇ¿´Å³¡£¬´Å¸ÐӦǿ¶ÈΪB£®ÏÖÔÚÊͷŵ¼Ìå°ô£¬Éèµ¼Ìå°ôÊܵ½Ð±ÃæµÄÖ§³ÖÁ¦ÎªN£¬Ôò¹ØÓÚµ¼Ìå°ôµÄÊÜÁ¦·ÖÎöÒ»¶¨ÕýÈ·µÄÊÇ£¨ÖØÁ¦¼ÓËÙ¶ÈΪg£©£¨¡¡¡¡£©
A£®mgsin¦È=BILB£®mgtan¦È=BIL
C£®mgcos¦È=N-BILsin¦ÈD£®Nsin¦È=BIL
¾«Ó¢¼Ò½ÌÍø

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010-2011ѧÄêºþ±±Ê¡Î人ÊкéɽÇø¹â¹È¶þÖи߶þ£¨ÉÏ£©ÆÚÖÐÎïÀíÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÈçͼËùʾ£¬ÓÐÒ»¹Ì¶¨ÔÚˮƽµØÃæÉϵÄÇã½ÇΪ¦ÈµÄ¹â»¬Ð±Ã棬ÓÐÒ»¸ùˮƽ·ÅÔÚбÃæÉϵĵ¼Ìå°ô£¬³¤ÎªL£¬ÖÊÁ¿Îªm£¬Í¨Óд¹Ö±Ö½ÃæÏòÍâµÄµçÁ÷I£®¿Õ¼äÖдæÔÚÊúÖ±ÏòϵÄÔÈÇ¿´Å³¡£¬´Å¸ÐӦǿ¶ÈΪB£®ÏÖÔÚÊͷŵ¼Ìå°ô£¬Éèµ¼Ìå°ôÊܵ½Ð±ÃæµÄÖ§³ÖÁ¦ÎªN£¬Ôò¹ØÓÚµ¼Ìå°ôµÄÊÜÁ¦·ÖÎöÒ»¶¨ÕýÈ·µÄÊÇ£¨ÖØÁ¦¼ÓËÙ¶ÈΪg£©£¨ £©

A£®mgsin¦È=BIL
B£®mgtan¦È=BIL
C£®mgcos¦È=N-BILsin¦È
D£®Nsin¦È=BIL

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º¸ßÖÐÎïÀí À´Ô´£º2010-2011ѧÄ긣½¨Ê¡ÏÃÃÅÊÐ˼Ã÷ÇøË«Ê®ÖÐѧ¸ßÈý£¨ÉÏ£©Ô¿¼ÎïÀíÊÔ¾í£¨12Ô·ݣ©£¨½âÎö°æ£© ÌâÐÍ£ºÑ¡ÔñÌâ

ÈçͼËùʾ£¬ÓÐÒ»¹Ì¶¨ÔÚˮƽµØÃæÉϵÄÇã½ÇΪ¦ÈµÄ¹â»¬Ð±Ã棬ÓÐÒ»¸ùˮƽ·ÅÔÚбÃæÉϵĵ¼Ìå°ô£¬³¤ÎªL£¬ÖÊÁ¿Îªm£¬Í¨Óд¹Ö±Ö½ÃæÏòÍâµÄµçÁ÷I£®¿Õ¼äÖдæÔÚÊúÖ±ÏòϵÄÔÈÇ¿´Å³¡£¬´Å¸ÐӦǿ¶ÈΪB£®ÏÖÔÚÊͷŵ¼Ìå°ô£¬Éèµ¼Ìå°ôÊܵ½Ð±ÃæµÄÖ§³ÖÁ¦ÎªN£¬Ôò¹ØÓÚµ¼Ìå°ôµÄÊÜÁ¦·ÖÎöÒ»¶¨ÕýÈ·µÄÊÇ£¨ÖØÁ¦¼ÓËÙ¶ÈΪg£©£¨ £©

A£®mgsin¦È=BIL
B£®mgtan¦È=BIL
C£®mgcos¦È=N-BILsin¦È
D£®Nsin¦È=BIL

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸