>
数学
>
函数y=arccos(sinx)
(−
π
3
<x<
2π
3
)
的值域是( )
A.
(
π
6
,
5π
6
)
B.
[0,
5π
6
)
C.
(
π
3
,
2π
3
)
D.
[
π
6
,
2π
3
)
人气:128 ℃ 时间:2019-09-27 12:14:42
解答
−
π
3
<x<
2π
3
,sinx∈
(−
3
2
,1]
则函数y=arccos(sinx)∈
[0,
5π
6
)
故选B.
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