问题
填空题
| 写出下列月份的英语单词。 | ||||
|
答案
1. January 2. February 3. March 4. April 5. May 6. June
7. July 8. August 9. September 10. October 11. November
12. December
搜题请搜索小程序“爱下问搜题”
| 写出下列月份的英语单词。 | ||||
|
1. January 2. February 3. March 4. April 5. May 6. June
7. July 8. August 9. September 10. October 11. November
12. December
，则f（x）在（0，π）内的正弦级数
的和函数在x=π/2处的值为（）。