y=sin2x+√3*cos2x
=2(1/2*sin2x+√3/2*cos2x)
=2sin(2x+π/3)
函數(shù)的周期為：T=2kπ/2=kπ,k為整數(shù)
∵-1≤sin(2x+π/3)≤1
∴函數(shù)的值域?yàn)椋篬-2,2]
求y=sin2x+根號(hào)3cos2x的周期和值域
求y=sin2x+根號(hào)3cos2x的周期和值域
數(shù)學(xué)人氣：863 ℃時(shí)間：2019-11-13 01:01:36
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