化简:√3 sin⁡〖(6/π〗-α)-cos⁡〖(6/π〗-α)

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 11:01:55

化简:√3 sin⁡〖(6/π〗-α)-cos⁡〖(6/π〗-α)
化简:√3 sin⁡〖(6/π〗-α)-cos⁡〖(6/π〗-α)

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