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  2. 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.-

免费题库2022-08-02  31

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: 高等数学一专升本题库专升本成考分类

高等数学一专升本

专升本成考

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