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：作业帮 时间：2024/05/03 11:01:26
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]