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鍙紪杈?/p>
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涓�銆侀�夋嫨棰?/p>
1
锛庝互涓嬪洓涓懡棰樹腑锛屾纭殑鏄?/p>
(
)
A
锛庡湪瀹氫箟鍩熷唴锛屽彧鏈夌粓杈圭浉鍚岀殑瑙掔殑涓夎鍑芥暟鍊兼墠鐩哥瓑
B
锛?/p>
锝?/p>
飦?/p>
锝?/p>
飦?/p>
锛?/p>
k
飦?/p>
锛?
6
飦?/p>
锛?/p>
k
鈭?/p>
Z
锝濃墵锝?/p>
飦?/p>
锝?/p>
飦?/p>
锛?/p>
-
k
飦?/p>
锛?/p>
6
飦?
锛?/p>
k
鈭?/p>
Z
锝?/p>
C
锛庤嫢
飦?/p>
鏄浜岃薄闄愮殑瑙掞紝鍒?/p>
sin2
飦?/p>
锛?/p>
0
D
锛庣鍥涜薄闄愮殑瑙掑彲琛ㄧず涓猴經
飦?/p>
锝?/p>
2
k
飦?/p>
锛?
2
3
飦?/p>
锛?/p>
飦?/p>
锛?/p>
2
k
飦?/p>
锛?/p>
k
鈭?/p>
Z
锝?/p>
2
锛庤嫢瑙?/p>
飦?/p>
鐨勭粓杈硅繃鐐?/p>
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-
3
锛?/p>
-
2)
锛屽垯
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A
锛?/p>
sin
飦★�?/p>
tan
飦?/p>
锛?/p>
0
B
锛?/p>
cos
飦★�?/p>
tan
飦?/p>
锛?/p>
0
C
锛?/p>
sin
飦★�?/p>
cos
飦?/p>
锛?/p>
0
D
锛?/p>
sin
飦★�?/p>
cot
飦?/p>
锛?/p>
0
3
锛庤
飦?/p>
鐨勭粓杈逛笂鏈変竴鐐?/p>
P
(
a
锛?/p>
a
)
锛?/p>
a
鈭?/p>
R
锛屼笖
a
鈮?/p>
0
锛屽垯
sin
飦?/p>
鐨勫�兼槸
(
)
A
锛?
2
2
B
锛?/p>
-
2
2
C
锛幝?
2
2
D
锛?/p>
1
4.
伪
鏄浜岃薄闄愯锛?/p>
鍏剁粓杈逛笂涓�鐐?/p>
P
锛?/p>
x
锛?/p>
5
锛?/p>
锛?/p>
涓?/p>
cos
伪
锛?/p>
4
2
x
锛?/p>
鍒?/p>
sin
伪
鐨勫�间负
锛?/p>
锛?/p>
A
锛?/p>
4
10
B
锛?/p>
4
6
C
锛?/p>
4
2
D
锛庯紞
4
10
5.
浣?/p>
lg
锛?/p>
cos
胃
路
tan
胃
锛夋湁鎰忎箟鐨勮
胃
鏄紙
锛?/p>
A
锛庣涓�璞￠檺瑙?/p>
B
锛庣浜岃薄闄愯
C
锛庣涓�鎴栫浜岃薄闄愯
D
锛庣涓�銆佷簩璞￠檺瑙掓垨缁堣竟鍦?/p>
y
杞翠笂
6.
璁捐
伪
鏄浜岃薄闄愯锛屼笖
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2
飦?/p>
|
锛濓紞
cos
2
飦?/p>
锛屽垯瑙?/p>
2
飦?
鏄紙
锛?/p>
A
锛庣涓�璞￠檺瑙?/p>
B
锛庣浜岃薄闄愯
C
锛庣涓夎薄闄愯
D
锛庣鍥涜薄闄愯
7.
宸茬煡闆嗗悎
E=
锝?/p>
胃
|cos
胃
锛?/p>
sin
胃
锛?/p>
0
鈮の糕墹
2
蟺
锝?/p>
锛?/p>
F=
锝?/p>
胃
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胃
锛?/p>
sin
胃
锝?/p>
锛?/p>
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E
鈭?/p>
F
鏄尯闂?/p>
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