f(x)=2sin^2x 3cos x 1的值域f(x)=2sin^2x+3cos x+1的值域

来源：学生作业帮助网编辑：六六作业网时间：2024/10/03 03:52:22

f(x)=2sin^2x3cosx1的值域f(x)=2sin^2x+3cosx+1的值域f(x)=2sin^2x3cosx1的值域f(x)=2sin^2x+3cosx+1的值域f(x)=2sin^2x

f(x)=2sin^2x 3cos x 1的值域f(x)=2sin^2x+3cos x+1的值域
f(x)=2sin^2x 3cos x 1的值域
f(x)=2sin^2x+3cos x+1的值域

f(x)=2sin^2x 3cos x 1的值域f(x)=2sin^2x+3cos x+1的值域
f(x)=2sin^2x+3cos x+1
=-2(cosx-3/4)^2+33/8
f(x)=2sin^2x+3cos x+1的值域是[-2,33/8]