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4.5
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5
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1
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(
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A
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y
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sin
x
B
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y
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x
|
C
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D
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2
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(
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(
)
A
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T
锛?/p>
6
锛?/p>
蠁
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6
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T
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6
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C
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T
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6
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D
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6
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1
2
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6
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6.
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鐨勫浘璞′笂鎵�鏈夌殑鐐瑰悜鍙冲钩琛岀Щ鍔?/p>
蟺
10
涓崟浣嶉暱搴︼紝鍐嶆妸鎵�寰?/p>
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2
鍊?/p>
(
绾靛潗鏍囦笉鍙?/p>
)
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(
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A
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x
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蟺
10
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B
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sin(2
x
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蟺
5
)
C
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y
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sin(
1
2
x
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蟺
10
)
D
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y
锛?/p>
sin(
1
2
x
锛?/p>
蟺
20
)
绛旀
C
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灏?/p>
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蟺
10
涓崟浣嶅緱鍒?/p>
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sin(
x
锛?/p>
蟺
10
)
鐨勫浘璞★紝鍐嶅皢鍥?
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2
鍊嶅緱鍒?/p>
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锛?/p>
sin(
1
2
x
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蟺
10
)
鐨勫浘璞★紝閫?/p>
C.
4
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sin
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1
4
x
鐨勮В鐨勪釜鏁版槸
(
)
A
锛?/p>
5
B
锛?/p>
6
C
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7
D
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8
绛旀
C
瑙ｆ瀽
濡傚浘鎵�绀?/p>