绮惧搧
K12
鏁欒偛鏁欏璧勬枡
绮惧搧
K12
鏁欒偛鏁欏璧勬枡
2.2.1
缁煎悎娉曞拰鍒嗘瀽娉?/p>
瀛︿範鐩爣锛?/p>
1.
鐞嗚В缁煎悎娉曘�佸垎鏋愭硶鐨勬剰涔夛紝鎺屾彙缁煎悎娉曘�佸垎鏋愭硶鐨勬�濈淮鐗圭偣锛?/p>
(
閲嶇偣銆?/p>
鏄撴贩鐐?/p>
)2.
浼氱敤缁煎悎娉曘�佸垎鏋愭硶瑙ｅ喅闂锛?/p>
(
閲嶇偣銆侀毦鐐?/p>
)
[
鑷?/p>
涓?/p>
棰?/p>
涔犅锋帰
鏂?/p>
鐭?/p>
]
1
锛庣患鍚堟硶
瀹氫箟
鎺ㄨ瘉杩囩▼
鐗圭偣
鍒╃敤宸茬煡鏉′欢鍜屾煇浜涙暟瀛﹀畾涔夈�?/p>
鍏悊銆佸畾鐞嗙瓑锛岀粡杩囦竴绯诲垪鐨勬帹
鐞嗚璇侊紝鏈�鍚庢帹瀵煎嚭鎵�瑕佽瘉鏄庣殑
缁撹鎴愮珛锛岃繖绉嶈瘉鏄庢柟娉曞彨鍋氱患
鍚堟硶
P
鈬?/p>
Q
1
鈫?/p>
Q
1
鈬?/p>
Q
2
鈫?/p>
Q
2
鈬?/p>
Q
3
鈫掆�︹啋
Q
n
鈬?/p>
Q
(
P
琛ㄧず宸茬煡鏉′欢銆?/p>
宸叉湁鐨勫畾涔夈�佸叕鐞嗐�佸畾鐞嗙瓑锛?/p>
Q
琛ㄧず鎵�瑕佽瘉鏄庣殑缁撹
)
椤烘帹璇佹硶
鎴栫敱鍥犲
鏋滄硶
2
锛庡垎鏋愭硶
瀹氫箟
妗嗗浘琛ㄧず
鐗圭偣
涓�鑸湴锛?/p>
浠庤璇佹槑鐨勭粨璁哄嚭鍙戯紝
閫愭瀵绘眰
浣垮畠鎴愮珛鐨勫厖鍒嗘潯浠讹紝
鐩磋嚦鏈�鍚庯紝
鎶婅璇?/p>
鏄庣殑缁撹褰掔粨涓哄垽瀹氫竴涓槑鏄炬垚绔嬬殑鏉?/p>
浠?/p>
(
宸茬煡鏉′欢銆佸畾鐞嗐�佸畾涔夈�佸叕鐞嗙瓑
)
涓?/p>
姝紟杩欑璇佹槑鏂规硶鍙仛鍒嗘瀽娉?/p>
閫嗘帹璇?/p>
娉曟垨鎵?
鏋滅储鍥?/p>
娉?/p>
鎬濊�?/p>
1
锛氱患鍚堟硶涓庡垎鏋愭硶鐨勬帹鐞嗚繃绋嬫槸鍚堟儏鎺ㄧ悊杩樻槸婕旂粠鎺ㄧ悊锛?/p>
[
鎻愮ず
]
缁煎悎娉曚笌鍒嗘瀽娉曠殑鎺ㄧ悊杩囩▼鏄紨缁庢帹鐞嗭紝
鍥犱负缁煎悎娉曚笌鍒嗘瀽娉曠殑姣忎竴姝ユ帹鐞嗛兘鏄?/p>
涓ュ瘑鐨勯�昏緫鎺ㄧ悊锛屼粠鑰屽緱鍒扮殑姣忎竴涓粨璁洪兘鏄纭殑锛屼笉鍚屼簬鍚堟儏鎺ㄧ悊涓殑鈥滅寽鎯斥�濓紟
鎬濊�?/p>
2:
缁煎悎娉曚笌鍒嗘瀽娉曟湁浠�涔堝尯鍒紵
[
鎻愮ず
]
缁煎悎娉曟槸浠庡凡鐭ユ潯浠跺嚭鍙戯紝
閫愭瀵绘壘鐨勬槸蹇呰鏉′欢锛?/p>
鍗崇敱鍥犲鏋滐紱
鍒嗘瀽娉曟槸浠庡緟
姹傜粨璁哄嚭鍙戯紝閫愭瀵绘壘鐨勬槸鍏呭垎鏉′欢锛屽嵆鎵ф灉绱㈠洜锛?/p>
[
鍩虹鑷祴
]
1
锛庢�濊�冭鲸鏋?/p>
(1)
缁煎悎娉曟槸鎵ф灉绱㈠洜鐨勯�嗘帹璇佹硶锛?/p>
(
)
(2)
鍒嗘瀽娉曞氨鏄粠缁撹鎺ㄥ悜宸茬煡锛?/p>
(
)
(3)
鎵�鏈夎瘉鏄庣殑棰樼洰鍧囧彲浣跨敤鍒嗘瀽娉曡瘉鏄庯紟
(
)
[
绛旀
]
(1)脳
(2)脳
(3) 脳
2
锛庡懡棰樷�滃浜庝换鎰忚
胃
锛?/p>
cos
4
胃
锛?/p>
sin
4
胃
锛?/p>
cos 2
胃
鈥濈殑璇佹槑锛氣�渃os
4
胃
锛?/p>
sin
4
胃
锛?/p>
(cos
2
胃
锛?/p>
sin
2
胃
)(cos
2
胃
锛?/p>
sin
2
胃
)
锛?/p>
cos
2
胃
锛?/p>
sin
2
胃
锛?/p>
cos 2
胃
鈥濓紝鍏惰繃绋嬪簲鐢ㄤ簡
(
)
A
锛庡垎鏋愭硶