3=f(2011)=asin(2011π+α)+bcos(2011π+β)+4=-asinα-bcosβ+4
∴asinα+bcosβ=1
∴f(2012)=asin(2012π+α)+bcos(2012π+β)+4=asinα+bcosβ+4=1+4=5
已知函数f(x)=asin(πx+α)+bcos(πx+β)+4,x∈R,且f(2011)=3,则求f(2012)的值
已知函数f(x)=asin(πx+α)+bcos(πx+β)+4,x∈R,且f(2011)=3,则求f(2012)的值
数学人气:454 ℃时间:2019-11-21 19:13:53
优质解答
我来回答
类似推荐
猜你喜欢
- 1150字的英语作文
- 2已知一次函数y=kx+b中自变量x的取值范围为—2小于等于x小于等于6,相应的函数值范围是—11小于等于y小于等
- 3湖心亭看雪和记承天寺夜游的不同
- 4confirm ur receipt by return
- 5don't forget to hand in your homework on time,please. ----_______. A Yes,i do B. No, i don't
- 6what about some oranges (改为同义句)
- 7已知关于x的方程x²-2(m-1)x+m²-3=0有两个不相等的实数根
- 8某年过生日时,数学家M教授特别兴奋,因为从元旦数到该日的天数乘以他的年龄刚好是11111.M教授_岁,生日是_月_日(假设该年不是闰年).
- 9As soon as he had hung up,he went over to the workmen and told them that if a policeman ordered them to go away,they wer
- 10感恩母亲的古诗