f(x)=(√3sinx+cosx)²
=4(√3/2 * sinx+cosx*1/2)²
=4(sinx*cos(π/6)+cosx*sin(π/6))²
=4sin²(x+π/6)
已知函数f(x)=3sin²x+2√3sinxcosx+cos²x.x∈R
已知函数f(x)=3sin²x+2√3sinxcosx+cos²x.x∈R
数学人气:856 ℃时间:2019-10-09 00:18:47
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