绗?/p>
7
璁?/p>
绔嬩綋鍑犱綍涓殑鍚戦噺鏂规硶
1
锛庣┖闂村悜閲忎笌绌洪棿瑙掔殑鍏崇郴
(1)
涓ゆ潯寮傞潰鐩寸嚎鎵�鎴愯鐨勬眰娉?/p>
(
a
锛?/p>
b
鍒嗗埆涓?/p>
l
1
锛?/p>
l
2
鐨勬柟鍚戝悜閲?/p>
)
a
涓?/p>
b
鐨勫す瑙?/p>
尾
l
1
涓?/p>
l
2
鎵�鎴愮殑瑙?/p>
胃
鑼冨洿
(0
锛屜�
)
飪?
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
0
锛?/p>
蟺
2
姹傛硶
cos
尾
锛?
a路b
|a||b|
cos
胃
锛?/p>
|cos
尾
|
锛?/p>
|
a路b
|
|a||b|
(2)
鐩寸嚎鍜屽钩闈㈡墍鎴愯鐨勬眰娉?/p>
濡傚浘鎵�绀猴紝璁剧洿绾?/p>
l
鐨勬柟鍚戝悜閲忎负
e
锛屽钩闈?/p>
伪
鐨勬硶鍚戦噺涓?/p>
n
锛岀洿绾?/p>
l
涓庡钩闈?/p>
伪
鎵�鎴愮殑瑙掍负
蠁
锛屼袱鍚戦噺
e
涓?/p>
n
鐨勫す瑙掍负
胃
锛屽垯鏈?/p>
sin
蠁
锛?/p>
|cos
胃
|
锛?
|
e
路
n
|
|
e
||
n
|
锛?/p>
(3)
浜岄潰瑙掔殑姹傛硶
a
锛庡鍥锯憼锛?/p>
AB
锛?/p>
CD
鏄簩闈㈣
伪
l
尾
涓や釜鍗婂钩闈㈠唴涓庢１
l
鍨傜洿鐨勭洿绾匡紝鍒欎簩闈㈣鐨勫ぇ灏?
胃
锛濄�?/p>
AB
鈫?/p>
锛?/p>
CD
鈫?
銆夛紟
b
锛庡鍥锯憽鈶紝
n
1
锛?/p>
n
2
鍒嗗埆鏄簩闈㈣
伪
l
尾
鐨勪袱涓崐骞抽潰
伪
锛?/p>
尾
鐨勬硶鍚戦噺锛屽垯浜岄潰瑙掔殑
澶у皬
胃
婊¤冻
cos
胃
锛?/p>
cos
銆?/p>
n
1
锛?/p>
n
2
銆夋垨锛?/p>
cos
銆?/p>
n
1
锛?/p>
n
2
銆夛紟
2
锛庣偣鍒板钩闈㈢殑璺濈鐨勬眰娉?/p>
濡傚浘锛岃
AB
涓哄钩闈?/p>
伪
鐨勪竴鏉℃枩绾挎锛?/p>
n
涓哄钩闈?/p>
伪
鐨勬硶鍚戦噺锛屽垯鐐?/p>
B
鍒板钩闈?/p>
伪
鐨勮窛绂?/p>
d
锛?/p>
|
AB
鈫?/p>
路
n
|
|
n
|
.