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A.cos(x+y) B.-cos(x+y) C.sin(x+y) D.-
A.cos(x+y) B.-cos(x+y) C.sin(x+y) D.-
练习题库
2022-08-02
28
问题
A.cos(x+y)B.-cos(x+y)C.sin(x+y)D.-sin(x+y)
选项
A.cos(x+y)
B.-cos(x+y)
C.sin(x+y)
D.-sin(x+y)
答案
B
解析
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本试题收录于:
高等数学二专升本题库专升本成考分类
高等数学二专升本
专升本成考
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