f(x)=2sinxcosxcosΦ+(1-2sin^2x)sinΦ即： f(x) = sin2xcosΦ + cos2xsinΦ = sin(2x + Φ)可见f(x)的最小正周期为π 值域为[ -1, 1 ]f(x) = sin(2x + Φ),可知(2x + Φ) ＝π ／2 ＋kπ是其对称...