化简√3sin(π/6-α)-cos(π/-α) 请写下过程,√3sin(π/6-α)-cos(π/6-α)
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化简√3sin(π/6-α)-cos(π/-α)请写下过程,√3sin(π/6-α)-cos(π/6-α)化简√3sin(π/6-α)-cos(π/-α)请写下过程,√3sin(π/6-α)-cos(
化简√3sin(π/6-α)-cos(π/-α) 请写下过程,√3sin(π/6-α)-cos(π/6-α)
化简√3sin(π/6-α)-cos(π/-α) 请写下过程,
√3sin(π/6-α)-cos(π/6-α)
化简√3sin(π/6-α)-cos(π/-α) 请写下过程,√3sin(π/6-α)-cos(π/6-α)
√3sin(π/6-α)-cos(π/6-α)
=2[cosπ/6 sin(π/6-α)-sinπ/6 cos(π/6-α)]
=2sin(π/6-α-π/6]=-2sinα
???√3sin(π/6-α)-cos(π/6-α)
=√3sinπ/6cosα-cosπ/6sinα-cosπ/6cosα-sinπ/6sinα
=3/2cosα-√3/2sinα-√3/2cosα-1/2sina
=(√3-1)/2sina
(1+sinα+cosα)*[sin(α/2)-cos(α/2)]/√(2+2cosα)化简 (3/2*π
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化简√3sin(π/6-α)-cos(π/-α) 请写下过程,√3sin(π/6-α)-cos(π/6-α)
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