y=2sin(-2x+0.5)=-2sin(2x-0.5)
=2sin(2x+π-0.5)
三角函数y=2sin(-2x+0.5)的初相
三角函数y=2sin(-2x+0.5)的初相
y=2sin(-2x+0.5)应转化成y=2sin(2x+π-0.5)
问是怎么转化的?怎么推导?
y=2sin(-2x+0.5)应转化成y=2sin(2x+π-0.5)
问是怎么转化的?怎么推导?
数学人气:202 ℃时间:2020-04-03 02:53:17
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