Èçͼ£¬Ä³¸Û¿ÚÓÐÒ»µÆËþA£¬µÆËþAµÄÕý¶«ÓÐB¡¢CÁ½µÆËþ£¬ÒÔBCΪֱ¾¶µÄ°ëÔ²ÇøÓòÄÚÓÐÈô¸É°µ½¸£¬BC=18 n mile£¬Ò»´¬ÔÚM´¦²âµÃµÆËþA¡¢C·Ö±ðÔÚ´¬µÄÄÏÆ«Î÷60¡ãºÍÄÏÆ«Î÷15¡ã·½Ïò£¬´¬ÑØMA·½ÏòÐÐÊ»6 n mile Ç¡ºÃÔÚµÆËþCµÄÕý±±·½ÏòN´¦.

(1)ÇóCNµÄ³¤(¾«È·µ½0.1 n mile)£»

(2)Èô´¬¼ÌÐøÑØMA·½Ïò³¯AÐÐÊ»£¬ÊÇ·ñÓд¥½¸µÄΣÏÕ£¿

(²Î¿¼ÊýÖµ£º=1.414£¬=1.732£¬sin15¡ã=0.2588£¬cos15¡ã=0.9658£¬tan15¡ã=0.2680£¬cot15¡ã=3.732)

 

´ð°¸£º
½âÎö£º

(1)Ô¼16.4n mile  (2)´¬ÑØMA·½Ïò¼ÌÐøÐÐÊ»£¬Ã»Óд¥½¸Î£ÏÕ.

 


Á·Ï°²áϵÁдð°¸
Ïà¹ØÏ°Ìâ

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º

Èçͼ£¬Ä³¸Û¿ÚÓÐÒ»µÆËþA£¬µÆËþAµÄÕý¶«ÓÐB¡¢CÁ½µÆËþ£¬ÒÔBCΪֱ¾¶µÄ°ëÔ²ÇøÓòÄÚÓÐÈô¸É°µ½¸£¬BC=18º£Àһ´¬ÔÚM´¦²âµÃµÆËþA¡¢C·Ö±ðÔÚ´¬µÄ¾«Ó¢¼Ò½ÌÍøÄÏÆ«Î÷60¡ãºÍÄÏÆ«Î÷15¡ã·½Ïò£¬´¬ÑØMA·½ÏòÐÐÊ»6º£ÀïÇ¡ºÃ´¦ÔÚµÆËþCµÄÕý±±·½ÏòN´¦£®
£¨1£©ÇóCNµÄ³¤£¨¾«È·µ½0.1º£À£»
£¨2£©Èô´¬¼ÌÐøÑØMA·½Ïò³¯AÐÐÊ»£¬ÊÇ·ñÓд¥½¸µÄΣÏÕ£¿
£¨²Î¿¼ÊýÖµ£º
2
=1.414£¬
3
=1.732£¬sin15¡ã=0.2588£¬cos15¡ã=0.9658£¬tan15¡ã=0.2680£¬cot15¡ã=3.732£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º ÌâÐÍ£º½â´ðÌâ

Èçͼ£¬Ä³¸Û¿ÚÓÐÒ»µÆËþA£¬µÆËþAµÄÕý¶«ÓÐB¡¢CÁ½µÆËþ£¬ÒÔBCΪֱ¾¶µÄ°ëÔ²ÇøÓòÄÚÓÐÈô¸É°µ½¸£¬BC=18º£Àһ´¬ÔÚM´¦²âµÃµÆËþA¡¢C·Ö±ðÔÚ´¬µÄÄÏÆ«Î÷60¡ãºÍÄÏÆ«Î÷15¡ã·½Ïò£¬´¬ÑØMA·½ÏòÐÐÊ»6º£ÀïÇ¡ºÃ´¦ÔÚµÆËþCµÄÕý±±·½ÏòN´¦£®
£¨1£©ÇóCNµÄ³¤£¨¾«È·µ½0.1º£À£»
£¨2£©Èô´¬¼ÌÐøÑØMA·½Ïò³¯AÐÐÊ»£¬ÊÇ·ñÓд¥½¸µÄΣÏÕ£¿
£¨²Î¿¼ÊýÖµ£ºÊýѧ¹«Ê½=1.414£¬Êýѧ¹«Ê½=1.732£¬sin15¡ã=0.2588£¬cos15¡ã=0.9658£¬tan15¡ã=0.2680£¬cot15¡ã=3.732£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º¡¶µÚ1Õ ½âÖ±½ÇÈý½ÇÐΡ·2009Äêˮƽ²âÊÔ¾í£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

Èçͼ£¬Ä³¸Û¿ÚÓÐÒ»µÆËþA£¬µÆËþAµÄÕý¶«ÓÐB¡¢CÁ½µÆËþ£¬ÒÔBCΪֱ¾¶µÄ°ëÔ²ÇøÓòÄÚÓÐÈô¸É°µ½¸£¬BC=18º£Àһ´¬ÔÚM´¦²âµÃµÆËþA¡¢C·Ö±ðÔÚ´¬µÄÄÏÆ«Î÷60°ºÍÄÏÆ«Î÷15°·½Ïò£¬´¬ÑØMA·½ÏòÐÐÊ»6º£ÀïÇ¡ºÃ´¦ÔÚµÆËþCµÄÕý±±·½ÏòN´¦£®
£¨1£©ÇóCNµÄ³¤£¨¾«È·µ½0.1º£À£»
£¨2£©Èô´¬¼ÌÐøÑØMA·½Ïò³¯AÐÐÊ»£¬ÊÇ·ñÓд¥½¸µÄΣÏÕ£¿
£¨²Î¿¼ÊýÖµ£º=1.414£¬=1.732£¬sin15°=0.2588£¬cos15°=0.9658£¬tan15°=0.2680£¬cot15°=3.732£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º¡¶µÚ25Õ ½âÖ±½ÇÈý½ÇÐΡ·2010Äê¸ß¶ûÖÐѧµ¥Ôª²âÊÔ£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

Èçͼ£¬Ä³¸Û¿ÚÓÐÒ»µÆËþA£¬µÆËþAµÄÕý¶«ÓÐB¡¢CÁ½µÆËþ£¬ÒÔBCΪֱ¾¶µÄ°ëÔ²ÇøÓòÄÚÓÐÈô¸É°µ½¸£¬BC=18º£Àһ´¬ÔÚM´¦²âµÃµÆËþA¡¢C·Ö±ðÔÚ´¬µÄÄÏÆ«Î÷60°ºÍÄÏÆ«Î÷15°·½Ïò£¬´¬ÑØMA·½ÏòÐÐÊ»6º£ÀïÇ¡ºÃ´¦ÔÚµÆËþCµÄÕý±±·½ÏòN´¦£®
£¨1£©ÇóCNµÄ³¤£¨¾«È·µ½0.1º£À£»
£¨2£©Èô´¬¼ÌÐøÑØMA·½Ïò³¯AÐÐÊ»£¬ÊÇ·ñÓд¥½¸µÄΣÏÕ£¿
£¨²Î¿¼ÊýÖµ£º=1.414£¬=1.732£¬sin15°=0.2588£¬cos15°=0.9658£¬tan15°=0.2680£¬cot15°=3.732£©

²é¿´´ð°¸ºÍ½âÎö>>

¿ÆÄ¿£º³õÖÐÊýѧ À´Ô´£º2002ÄêÈ«¹úÖп¼ÊýѧÊÔÌâ»ã±à¡¶Èñ½ÇÈý½Çº¯Êý¡·£¨05£©£¨½âÎö°æ£© ÌâÐÍ£º½â´ðÌâ

£¨2002•ÑĮ̀£©Èçͼ£¬Ä³¸Û¿ÚÓÐÒ»µÆËþA£¬µÆËþAµÄÕý¶«ÓÐB¡¢CÁ½µÆËþ£¬ÒÔBCΪֱ¾¶µÄ°ëÔ²ÇøÓòÄÚÓÐÈô¸É°µ½¸£¬BC=18º£Àһ´¬ÔÚM´¦²âµÃµÆËþA¡¢C·Ö±ðÔÚ´¬µÄÄÏÆ«Î÷60°ºÍÄÏÆ«Î÷15°·½Ïò£¬´¬ÑØMA·½ÏòÐÐÊ»6º£ÀïÇ¡ºÃ´¦ÔÚµÆËþCµÄÕý±±·½ÏòN´¦£®
£¨1£©ÇóCNµÄ³¤£¨¾«È·µ½0.1º£À£»
£¨2£©Èô´¬¼ÌÐøÑØMA·½Ïò³¯AÐÐÊ»£¬ÊÇ·ñÓд¥½¸µÄΣÏÕ£¿
£¨²Î¿¼ÊýÖµ£º=1.414£¬=1.732£¬sin15°=0.2588£¬cos15°=0.9658£¬tan15°=0.2680£¬cot15°=3.732£©

²é¿´´ð°¸ºÍ½âÎö>>

ͬ²½Á·Ï°²á´ð°¸