璇炬椂瑙勮寖缁?/p>
A
缁?/p>
鍩虹瀵圭偣缁?/p>
1
锛?/p>
(2018路
鐭冲搴勬ā鎷?/p>
)
鍦ㄥ钩闈㈢洿瑙掑潗鏍囩郴
xOy
涓紝鏇茬嚎
C
鐨勫弬鏁版柟绋嬩负
飪?/p>
飪?/p>
飪?/p>
x
锛?/p>
3
锛?/p>
r
cos
蠁
锛?
y
锛?/p>
1
锛?/p>
r
sin
蠁
(
r
>0
锛?/p>
蠁
涓?
鍙傛暟
)
锛?/p>
浠ュ潗鏍囧師鐐?/p>
O
涓烘瀬鐐癸紝
x
杞寸殑姝ｅ崐杞翠负鏋佽酱寤虹珛鏋佸潗鏍囩郴锛?/p>
鐩寸嚎
l
鐨勬瀬鍧愭爣鏂圭▼涓?/p>
蟻
sin
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
胃
锛?/p>
蟺
3
锛?
1
锛屼笖鐩寸嚎
l
涓庢洸绾?/p>
C
鐩稿垏锛?/p>
(1)
姹傛洸绾?/p>
C
鐨勬瀬鍧愭爣鏂圭▼锛?/p>
(2)
鍦ㄦ洸绾?/p>
C
涓婂彇涓ょ偣
M
锛?/p>
N
涓庡師鐐?/p>
O
鏋勬垚鈻?/p>
MON
锛屼笖婊¤冻鈭?/p>
MON
锛?/p>
蟺
6
锛屾眰鈻?/p>
MON
闈㈢Н鐨勬渶澶у�硷紟
瑙ｆ瀽锛?/p>
(1)
鐢遍鎰忓彲鐭ョ洿绾?/p>
l
鐨勭洿瑙掑潗鏍囨柟绋嬩负
y
锛?/p>
3
x
锛?/p>
2.
鐢辨洸绾?/p>
C
鐨勫弬鏁版柟绋嬬煡锛屾洸绾?/p>
C
鏄渾蹇冧负
(
3
锛?/p>
1)
锛屽崐寰勪负
r
鐨勫渾锛岀敱鐩寸嚎
l
涓庢洸绾?/p>
C
鐩稿垏锛屽彲寰?/p>
r
锛?
|
3
脳
3
锛?/p>
1
锛?/p>
2|
2
锛?/p>
2
锛?/p>
鎵�浠ユ洸绾?/p>
C
鐨勭洿瑙掑潗鏍囨柟绋嬩负
(
x
锛?/p>
3)
2
锛?/p>
(
y
锛?/p>
1)
2
锛?/p>
4.
鍙?/p>
x
锛?/p>
蟻
cos
胃
锛?/p>
y
锛?/p>
蟻
sin
胃
锛?/p>
鎵�浠ユ洸绾?/p>
C
鐨勬瀬鍧愭爣鏂圭▼涓?/p>
蟻
2
锛?/p>
2
3
蟻
cos
胃
锛?/p>
2
蟻
sin
胃
锛?/p>
0
锛屽嵆
蟻
锛?/p>
4sin
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
胃
锛?/p>
蟺
3
.
(2)
涓嶅Θ璁?/p>
M
(
蟻
1
锛?/p>
胃
)
锛?/p>
N
飪?/p>
飪?/p>
飪?
飪?
飪?/p>
飪?/p>
蟻
2
锛?/p>
胃
锛?/p>
蟺
6
锛屽叾涓?/p>
蟻
1
>0
锛?/p>
蟻
2
>0
锛?/p>
鍒?/p>
S
鈻?/p>
MON
锛?/p>
1
2
|
OM
鈫?/p>
|
脳
|
ON
鈫?/p>
|
脳
sin
蟺
6
锛?/p>
1
4
蟻
1
脳
蟻
2
锛?/p>
1
4
脳
4sin
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
胃
锛?/p>
蟺
3
脳
4sin
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
胃
锛?/p>
蟺
2
锛?/p>
2sin
胃
cos
胃
锛?/p>
2
3cos
2
胃
锛?/p>
sin 2
胃
锛?/p>
3cos 2
胃
锛?/p>
3
锛?/p>
2sin
飪?/p>
飪?/p>
飪?
飪?/p>
飪?/p>
飪?/p>
2
胃
锛?/p>
蟺
3
锛?/p>
3
鈮?/p>
2
锛?/p>
3.
褰?/p>
胃
锛?/p>
蟺
12
鏃跺彇绛夊彿锛?/p>
鎵�浠モ柍
MON
闈㈢Н鐨勬渶澶у�间负
2
锛?/p>
3.
2
锛?/p>
(2016路
楂樿�冨叏鍥藉嵎鈪?/p>
)
鍦ㄧ洿瑙掑潗鏍囩郴
xOy
涓紝鍦?/p>
C
鐨勬柟绋嬩负
(
x
锛?/p>
6)
2
锛?/p>
y
2
锛?/p>
25.
(1)
浠ュ潗鏍囧師鐐逛负鏋佺偣锛?/p>
x
杞存鍗婅酱涓烘瀬杞村缓绔嬫瀬鍧愭爣绯伙紝姹?/p>
C
鐨勬瀬鍧愭爣鏂圭▼锛?/p>
(2)
鐩寸嚎
l
鐨勫弬鏁版柟绋嬫槸
飪?/p>
飪?/p>
飪?/p>
x
锛?/p>
t
cos
伪
锛?/p>
y
锛?/p>
t
sin
伪
(
t
涓哄弬鏁?/p>
)
锛?/p>
l
涓?/p>
C
浜や簬
A
锛?/p>
B
涓ょ偣锛?/p>
|
AB
|
锛?/p>
10
锛屾眰
l
鐨勬枩鐜囷紟
瑙ｆ瀽锛?/p>
(1)
鐢?/p>
x
锛?/p>
蟻
cos
胃
锛?/p>
y
锛?/p>
蟻
sin
胃
鍙緱鍦?/p>
C
鐨勬瀬鍧愭爣鏂圭▼涓?/p>
蟻
2
锛?/p>
12
蟻
cos
胃
锛?/p>
11
锛?/p>
0.