问题
填空题
函数y=sin2x+2
|
答案
y=sin2x+2
×3
=sin2x-1-cos2x 2
cos2x+3
=2(3
sin2x-1 2
cos2x)+3 2
=2sin(2x-3
)+π 3
,3
∵ω=2,∴T=π.
故答案为:π
函数y=sin2x+2
|
y=sin2x+2
×3
=sin2x-1-cos2x 2
cos2x+3
=2(3
sin2x-1 2
cos2x)+3 2
=2sin(2x-3
)+π 3
,3
∵ω=2,∴T=π.
故答案为:π