f(派/4)=(根号3)*1/2+1/2-(根号3)/2=1/2(2)f(x)=(根号3)cos^2x+sinxcosx-(根号3)/2=1/2*sin2x+根号3)/2*cos2x=sin(2x+π/3)因此f(x)的最大值为1kπ-5/12π＜x＜kπ+π/12f(x)单调增kπ+π/12＜x＜kπ+π*7/12f(x)单...