1
鍚岃涓夎鍑芥暟鐨勫熀鏈叧绯讳笌璇卞鍏紡
[A
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]
1
锛?2019路鏂扮枂鏅�氶珮涓涓氭按骞宠�冭瘯
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x
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2
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0
锛?/p>
cos
x
锛?/p>
4
5
锛屽垯
tan
x
鐨勫�间负
(
)
A.
3
4
B
锛庯紞
3
4
C.
4
3
D
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4
3
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B
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x
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0
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sin
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1
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cos
2
x
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3
5
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tan
x
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sin
x
cos
x
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3
4
.
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B.
2
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1
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伪
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蟺
6
鐨勫�兼槸
(
)
A
锛庯紞
1
3
B.
1
3
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2
2
3
D
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2
2
3
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閫?/p>
A
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sin
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1
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2
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3
锛?/p>
锛?
sin
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飪?/p>
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3
锛濓紞
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3
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A.
3
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2
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飪?/p>
cos
7蟺
4
鐨勫�间负
(
)
A
锛庯紞
1
B
锛庯紞
1
2
C.
1
2
D.
2
2
瑙ｆ瀽锛氶�?/p>
B
log
2
飪?/p>
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4
锛?/p>
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2
飪?
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飪?/p>
飪?/p>
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蟺
4
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log
2
2
2
锛濓紞
1
2
.
鏁呴�?/p>
B.
4
锛?/p>
(2019路閬典箟妯℃嫙
)
鑻?/p>
sin
飪?/p>
飪?/p>
飪?/p>
飪?/p>
飪?
飪?
蟺
2
锛?/p>
伪
锛濓紞
3
5
锛?/p>
涓?/p>
伪
鈭?/p>
(
蟺
2
锛?/p>
蟺
)
锛?/p>
鍒?/p>
sin(蟺锛?/p>
2
伪
)
锛?/p>
(
)
A
锛庯紞
24
25
B
锛庯紞
12
25