已知fx=2sin(2x+π/6)+a+1(a为常数)
(1)求f(a)的递增区间
(2)若X∈[0,π/2]时,f(x)的最大值为4,求a的值
(3)求出使f(x)取最大值时X的集合
人气:293 ℃ 时间:2019-10-08 07:51:36
解答
1.由题意得.fx的递增区间取决于2sin(2x+π/6)的区间,且与sin函数的增减区间相同
所以2kπ-π/2
推荐
猜你喜欢
- 有don't do sth instead of doing的用法吗,怎么翻译?
- A successful team beats with one heart是什么意思
- he often___(relax) half a day
- 用作图法求直线斜率时,必须采用什么方法?
- Edward Smith is _____old.He works in a bank.
- 连词成句 threw,Li,Ming,the,ball,another,boy,to
- Lily doesn't want to buy__same present__Lucy did填空
- 麻烦您了,您帮我看看这道题呗 we see things by our eyes对么?为什么