1
銆愭暀瀛︿富棰樸�戝嚱鏁?/p>
y
锛?/p>
A
sin(
蠅
x
锛?/p>
蠁
)
鐨勫浘鍍忎笌鎬ц川
銆愭暀瀛︾洰鏍囥�戯細
1
锛庣悊瑙?/p>
y
锛?/p>
A
sin(
蠅
x
锛?/p>
蠁
)
涓?/p>
蠅
銆?/p>
蠁
銆?/p>
A
瀵瑰浘鍍忕殑褰卞搷锛?/p>
2
锛庢帉鎻?/p>
y
锛?/p>
sin
x
涓?/p>
y
锛?/p>
A
sin(
蠅
x
锛?/p>
蠁
)
鍥惧儚闂寸殑鍙樻崲鍏崇郴锛屽苟鑳芥纭湴鎸囧嚭鍏跺彉鎹㈡楠わ紟
銆愮煡璇嗘⒊鐞嗐�?/p>
鐢ㄢ�滃浘鍍忓彉鎹㈡硶鈥濅綔
y
锛?/p>
A
sin(
蠅
x
锛?/p>
蠁
) (
A
>0
锛?/p>
蠅
>0)
鐨勫浘鍍?/p>
1
锛?/p>
蠁
瀵?/p>
y
锛?/p>
sin(
x
锛?/p>
蠁
)
锛?/p>
x
鈭?/p>
R
鐨勫浘鍍忕殑褰卞搷
y
锛?/p>
sin(
x
锛?/p>
蠁
) (
蠁
鈮?/p>
0)
鐨勫浘鍍忓彲浠ョ湅浣滄槸鎶婃寮︽洸绾?/p>
y
锛?/p>
sin
x
涓婃墍鏈夌殑鐐瑰悜
(
褰?/p>
蠁
>0
鏃?/p>
)
鎴栧悜
(
褰?/p>
蠁
<0
鏃?/p>
)
骞宠绉诲姩
涓崟浣嶉暱搴﹁�屽緱
鍒帮紟
2
锛?/p>
蠅
(
蠅
>0)
瀵?/p>
y
锛?/p>
sin(
蠅
x
锛?/p>
蠁
)
鐨勫浘鍍忕殑褰卞搷
鍑芥暟
y
锛?/p>
sin(
蠅
x
锛?/p>
蠁
)
鐨勫浘鍍忥紝
鍙互鐪嬩綔鏄妸
y
锛?/p>
sin(
x
锛?/p>
蠁
)
鐨勫浘鍍忎笂鎵�鏈夌偣鐨勬í鍧愭爣
(
褰?/p>
蠅
>1
鏃?/p>
)
鎴?/p>
(
褰?/p>
0<
蠅
<1
鏃?/p>
)
鍒板師鏉ョ殑
1
蠅
鍊?/p>
(
绾靛潗鏍?/p>
)
鑰屽緱鍒帮紟
3
锛?/p>
A
(
A
>0)
瀵?/p>
y
锛?/p>
A
sin(
蠅
x
锛?/p>
蠁
)
鐨勫浘鍍忕殑褰卞搷
鍑芥暟
y
锛?/p>
A
sin(
蠅
x
锛?/p>
蠁
)
鐨勫浘鍍忥紝鍙互鐪嬩綔鏄妸
y
锛?/p>
sin(
蠅
x
锛?/p>
蠁
)
鍥惧儚涓婃墍鏈夌偣鐨勭旱鍧愭爣
(
褰?/p>
A
>1
鏃?/p>
)
鎴?/p>
(
褰?/p>
0<
A
<1
鏃?/p>
)
鍒板師鏉ョ殑
鍊?/p>
(
妯潗鏍囦笉鍙?/p>
)
鑰屽緱鍒帮紝鍑芥暟
y
锛?/p>
A
sin
x
鐨勫�煎煙
涓?/p>
锛屾渶澶у�间负
锛屾渶灏忓�间负
.
銆愬吀鍨嬩緥棰樸�?/p>
瑕佺偣涓�
涓夎鍑芥暟鍥惧儚鐨勫钩绉诲彉鎹?/p>
渚?/p>
1
瑕佸緱鍒板嚱鏁?/p>
y
锛?/p>
sin
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?/p>
2
x
锛?/p>
蟺
3
鐨勫浘鍍忥紝鍙灏?/p>
y
锛?/p>
sin 2
x
鐨勫浘鍍?/p>
( )
A
锛庡悜宸﹀钩绉?/p>
蟺
3
涓崟浣?/p>
B
锛庡悜鍙冲钩绉?/p>
蟺
3
涓崟浣?/p>
C
锛庡悜宸﹀钩绉?/p>
蟺
6
涓崟浣?/p>
D
锛庡悜鍙冲钩绉?/p>
蟺
6
涓崟浣?/p>
瑙勫緥鏂规硶锛氬凡鐭ヤ袱涓嚱鏁扮殑瑙ｆ瀽寮忥紝鍒ゆ柇鍏跺浘鍍忛棿鐨勫钩绉诲叧绯荤殑姝ラ锛?/p>
鈶犲皢涓や釜鍑芥暟瑙ｆ瀽寮忓寲绠�鎴?/p>
y
锛?/p>
A
sin
蠅
x
涓?/p>
y
锛?/p>
A
sin(
蠅
x
锛?/p>
蠁
)
锛屽嵆
A
銆?/p>
蠅
鍙婂悕绉扮浉鍚岀殑缁撴瀯锛?/p>
鈶℃壘鍒?/p>
蠅
x
鈫?/p>
蠅
x
锛?/p>
蠁
锛屽彉閲?/p>
x
鈥滃姞鈥濇垨鈥滃噺鈥濈殑閲忥紝鍗冲钩绉荤殑鍗曚綅涓?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
飪?/p>
飪?/p>
蠁
蠅
.