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:2024/11/17 13:19:39
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]