题目内容
如图所示的算法中,令
,
,
,若在集合
中,给
取一个值,输出的结果是
,则
的值所在范围是( )
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A.![]() | B.![]() | C.![]() | D.![]() |
D
先判断出程序框图的功能,列出不等式组;结合三角函数值的符号的特点,求出角的范围.
解答:解:程序框图的功能是求a,b,c的最大值
∵输出的结果是sinθ,
∴
解得
故答案为(
)
解答:解:程序框图的功能是求a,b,c的最大值
∵输出的结果是sinθ,
∴

解得
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故答案为(
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