函数f(x)=5sin(2x+π/6)+12 cos(2x+π/6)的最小值和最小正周期,
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函数f(x)=5sin(2x+π/6)+12cos(2x+π/6)的最小值和最小正周期,函数f(x)=5sin(2x+π/6)+12cos(2x+π/6)的最小值和最小正周期,函数f(x)=5sin(
函数f(x)=5sin(2x+π/6)+12 cos(2x+π/6)的最小值和最小正周期,
函数f(x)=5sin(2x+π/6)+12 cos(2x+π/6)的最小值和最小正周期,
函数f(x)=5sin(2x+π/6)+12 cos(2x+π/6)的最小值和最小正周期,
原式= 13(5/13 sin (2x+π/6)+12/13cos(2x+π/6)) =13cos(a+ 2x+π/6) 其中cosa=5/13 故 最小正周期T=2π/2=π 最小值=-13
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