知函数y=sin
2ωx+
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102756335383407/SYS201311031027563353834017_ST/0.png)
sinωxcosωx-1(ω>0)周期为2π.求:当x∈[0,π]时y的取值范围.
考点分析:
相关试题推荐
在△ABC中,角A,B,C所对的边分别为a,b,c,且a=2,cosB=
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102756335383407/SYS201311031027563353834016_ST/0.png)
.
(1)若b=3,求sinA的值;
(2)若△ABC的面积S
△ABC=3,求b,c的值.
查看答案
设
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102756335383407/SYS201311031027563353834015_ST/0.png)
,解不等式f(x)-1≥0.
查看答案
已知变量x,y满足约束条件
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102756335383407/SYS201311031027563353834014_ST/0.png)
.若目标函数z=ax+y(其中a>0)仅在点(3,0)处取得最大值,则a的取值范围为
.
查看答案
已知函数f(x)满足
![manfen5.com 满分网](http://img.manfen5.com/res/GZSX/web/STSource/20131103102756335383407/SYS201311031027563353834013_ST/0.png)
,且f(x)是偶函数,当x∈[0,1]时,f(x)=x,若在区间[-1,3]内,函数g(x)=f(x)-kx-k有4个零点,则实数k的取值范围是
.
查看答案