【急】已知函数f(x)=3cos(2x+π/6) 求函数fx在[0,π]上的单调递减区间则k=0时,-π/12≤x≤5π/12;k=1时,11π/12≤x≤17π/12 所以,当x∈[0,π]上f(x)的递减区间为:[0,5π/12]∪[11π/12,π]你错的。不过还是
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 11:57:50
![【急】已知函数f(x)=3cos(2x+π/6) 求函数fx在[0,π]上的单调递减区间则k=0时,-π/12≤x≤5π/12;k=1时,11π/12≤x≤17π/12 所以,当x∈[0,π]上f(x)的递减区间为:[0,5π/12]∪[11π/12,π]你错的。不过还是](/uploads/image/z/12534972-60-2.jpg?t=%E3%80%90%E6%80%A5%E3%80%91%E5%B7%B2%E7%9F%A5%E5%87%BD%E6%95%B0f%28x%29%3D3cos%282x%2B%CF%80%2F6%29+%E6%B1%82%E5%87%BD%E6%95%B0fx%E5%9C%A8%5B0%2C%CF%80%5D%E4%B8%8A%E7%9A%84%E5%8D%95%E8%B0%83%E9%80%92%E5%87%8F%E5%8C%BA%E9%97%B4%E5%88%99k%3D0%E6%97%B6%EF%BC%8C-%CF%80%2F12%E2%89%A4x%E2%89%A45%CF%80%2F12%EF%BC%9Bk%3D1%E6%97%B6%EF%BC%8C11%CF%80%2F12%E2%89%A4x%E2%89%A417%CF%80%2F12+%E6%89%80%E4%BB%A5%EF%BC%8C%E5%BD%93x%E2%88%88%5B0%2C%CF%80%5D%E4%B8%8Af%28x%29%E7%9A%84%E9%80%92%E5%87%8F%E5%8C%BA%E9%97%B4%E4%B8%BA%EF%BC%9A%5B0%2C5%CF%80%2F12%5D%E2%88%AA%5B11%CF%80%2F12%2C%CF%80%5D%E4%BD%A0%E9%94%99%E7%9A%84%E3%80%82%E4%B8%8D%E8%BF%87%E8%BF%98%E6%98%AF)
【急】已知函数f(x)=3cos(2x+π/6) 求函数fx在[0,π]上的单调递减区间则k=0时,-π/12≤x≤5π/12;k=1时,11π/12≤x≤17π/12 所以,当x∈[0,π]上f(x)的递减区间为:[0,5π/12]∪[11π/12,π]你错的。不过还是
【急】已知函数f(x)=3cos(2x+π/6) 求函数fx在[0,π]上的单调递减区间
则k=0时,-π/12≤x≤5π/12;k=1时,11π/12≤x≤17π/12
所以,当x∈[0,π]上f(x)的递减区间为:[0,5π/12]∪[11π/12,π]
你错的。不过还是给分你
【急】已知函数f(x)=3cos(2x+π/6) 求函数fx在[0,π]上的单调递减区间则k=0时,-π/12≤x≤5π/12;k=1时,11π/12≤x≤17π/12 所以,当x∈[0,π]上f(x)的递减区间为:[0,5π/12]∪[11π/12,π]你错的。不过还是
(0,十二分之五π) ,(十二分之十一π,π)
已知函数f(x)=3sin方x+2倍根号3sinxcosx+5cos方x.问函数f(x)的周期和最大值))急急急
已知函数f(x)=1/2cos^x+根号3/2sinxcosx-3/4.求f(x)的单调递减区间急年纪急
已知函数f(x)=cos(x-3/ 兀)-sin(2/兀-x).(1)求函数f(x)的最小值.
已知函数f(x )=sin ^2x +2√3sin x cos x +3cos^x 、求函数f (x )的单调增区间
[非常急]已知函数f(x)=根号3sin(wx+φ)-cos(wx+φ)(0
已知函数f(x)=cos(2x-π/3)+sin(^2)x+cos(^2)x.求化简~
已知函数f(x)=根号3sin(2x+fai)-cos(2x+fai)(0
已知函数f(x)=sin(2x+α)+根号3cos(2x+α)(0
已知函数f(x) =√3cos(2x-y)-sin(2x-y) (0
已知函数f(x)=cos(2x-派/3)+sin方x-cos方x.求函数f(x)的单调区间
急!已知函数f(x)=sinx+cos(x-派/6),x∈R 求f(x)的最大值
已知函数f(x)=sinx/2*cosx/2+cos^2(x/2)-2,求函数f(x)的最小正周期急
高中数学导数部分已知函数f(x)=f'(π/2)sin(x) + cos(x),则f(π/4)=_____________不会,望高手赐教,谢谢!急~~~~~~~~~~~~~~~
已知函数f(x)=cos(π/3+x)*cos(π/3-x),g(x)=1/2sin2x-1/4,求f(x)的最小正周期
急设函数f(x)=2{x}^{3}+ax-2,已知f(x)
已知函数f(x)=cos(2x-π/3)+2sin^2 x (2)设函数g(x)=[f(x)]^2+f(x),求g(x)的值域已知函数f(x)=cos(2x-π/3)+2sin^2 x(2)设函数g(x)=[f(x)]^2+f(x),求g(x)的值域
已知函数f(x)=cos^2x+sinxcosx,求f(x)的单调增区间
已知函数f(x)=cos^2x+sinxcosx,求f(x)的单调递增区间