化简:√3 sin⁡〖(6/π〗-α)-cos⁡〖(6/π〗-α)

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化简:√3 sin⁡〖(6/π〗-α)-cos⁡〖(6/π〗-α)

√3 sin (π/6-α)-cos(π/6 -α)
=2[√3/1sin (π/6-α) -1/2cos(π/6-α)]
=2[sin(π/6-α)·cos(π/6) -cos(π/6-α)·sin(π/6)]
=2sin(π/6-α-π/6)
=2sin(-α)
=-2sinα