f(x)=2sinx(cosx+sinx)化简 把题化简 我一直化简不好了帮忙快点了
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![f(x)=2sinx(cosx+sinx)化简 把题化简 我一直化简不好了帮忙快点了](/uploads/image/z/4617563-59-3.jpg?t=f%28x%29%3D2sinx%28cosx%2Bsinx%29%E5%8C%96%E7%AE%80+%E6%8A%8A%E9%A2%98%E5%8C%96%E7%AE%80+%E6%88%91%E4%B8%80%E7%9B%B4%E5%8C%96%E7%AE%80%E4%B8%8D%E5%A5%BD%E4%BA%86%E5%B8%AE%E5%BF%99%E5%BF%AB%E7%82%B9%E4%BA%86)
f(x)=2sinx(cosx+sinx)化简 把题化简 我一直化简不好了帮忙快点了
f(x)=2sinx(cosx+sinx)化简 把题化简 我一直化简不好了帮忙快点了
f(x)=2sinx(cosx+sinx)化简 把题化简 我一直化简不好了帮忙快点了
f(x)=2sinx(cosx+sinx)
=2sinxcosx+2(sinx)^2
=sin2x-[1-2(sinx)^2]+1
=sin2x-cos2x+1
=√2sin(2x-派/4)+1
f(x)=sin2x-cos2x+1=镙瑰佛2sin(2x-螤/4)+1
f(x)=2sinxcosx+2(sinx)^2=sin2x+(1-cos2x)=1+sin2x-cos2x