1.f(x)=(sinwx+coswx)^2+2cos^2wx
=1+sin2wx+1+cos2wx
=2+根号2sin(2wx+π/4)
T=2π/2w=2π/3,w=3/2
2.g(x)=2+根号2sin[3(x-π/2)+π/4]
=2+根号2sin(3x-5π/4)
令-π/2+2Kπ
设函数f(x)=(sinwx+coswx)^2+2cos^2wx(w>0)的最小正周期为2π/3
设函数f(x)=(sinwx+coswx)^2+2cos^2wx(w>0)的最小正周期为2π/3
1求w的值
2若函数y=g(x)的图像由y=f(x)的图像向右平移π/2个单位长度得到,求y=g(x)的单调增区间
1求w的值
2若函数y=g(x)的图像由y=f(x)的图像向右平移π/2个单位长度得到,求y=g(x)的单调增区间
数学人气:695 ℃时间:2019-11-14 01:49:18
优质解答
我来回答
类似推荐
猜你喜欢
- 1(300+301+302+……+397)—(100+101+……197)=
- 2The sun is much _________(far) than the moon from Earth.
- 3求函数Y=(1/4)的X次方—(1/2)的X次方+1(X在-3和2中)的值域
- 4My English teacher is active.(改为一般疑问句,并做肯定回答)
- 5为什么氦气,氖气为单原子分子,氢气、氮气、 氯气为双原子分子
- 6如果abc是三个互不相同且大于1的自然数 a=a*b*c 那么a至少有几个因数?你能都写出来吗?
- 7more than two hundred people died in the earthquake.____two hundred people died in the earthquake.
- 8直线y=x-1与两坐标轴分别交于A、B两点,点C在坐标轴上,若△ABC为等腰三角形,则满足条件的点C最多有( ) A.4个 B.5个 C.6个 D.7个
- 9有谁知道描写雨的文章和诗词啊?
- 10参加体育60%,文艺30%,美术10%三类课外兴趣小组比是多少?