sin(wt)+sin(wt+任意角度) 这个如何运算
问题描述:
sin(wt)+sin(wt+任意角度) 这个如何运算
答
sin(wt)+sin(wt+a)=sin(wt+0.5a-0.5a)+sin(wt+0.5a+0.5a)=2sin(wt+0.5a)cos(wt+0.5a)是否能化简为sin(2wt+a)有没有相关资料谢谢
sin(wt)+sin(wt+任意角度) 这个如何运算
sin(wt)+sin(wt+a)=sin(wt+0.5a-0.5a)+sin(wt+0.5a+0.5a)=2sin(wt+0.5a)cos(wt+0.5a)是否能化简为sin(2wt+a)有没有相关资料谢谢