化简 cos(π/6-x)-根号3sin(π/6-x)
来源:学生作业帮助网 编辑:六六作业网 时间:2024/08/27 08:24:13
化简cos(π/6-x)-根号3sin(π/6-x)化简cos(π/6-x)-根号3sin(π/6-x)化简cos(π/6-x)-根号3sin(π/6-x)原式=2[1/2*c0s(π/6-x)-√3
化简 cos(π/6-x)-根号3sin(π/6-x)
化简 cos(π/6-x)-根号3sin(π/6-x)
化简 cos(π/6-x)-根号3sin(π/6-x)
原式=2[1/2*c0s(π/6-x)-√3/2*sin(π/6-x)]
=2[cos(π/6-x)cosπ/3-sin(π/6-x)sinπ/3]
=2cos(π/6-x+π/3)
=2cos(π/2-x)
=2sinx
原式=2[(1/2)cos(π/6-x)-(√3/2)sin(π/6-x)]
=2[sin(π/6)cos(π/6-x)-cos(π/6)sin(π/6-x)]
=2sin[(π/6)-(π/6-x)]
=2sin(x)
化简2sin^2[(π/4)+x]+根号3(sin^x-cos^x)-1
化简 cos(π/6-x)-根号3sin(π/6-x)
化简sin(x-π/3)-cos(x=π/6)+根号3cosx
化简:sin(x-π/3)-cos(x+π/6)+根号3cosx,
化简 1/2cos x-根号3/2sin x 根3sin x+cos x
化简根号2sin(π/3-x)+根号6cos(π/3-x)
1.化简根号2cos x - 根号6sin x2.已知sin(α-β)cosα-cos(β-α)sinα=3/5,β是第三象限角,求sin(β+5π/4)的值.3.化简sin(α-β)sin(β-λ)-cos(α-β)cos(λ-β)
化简:3/2cos x-(根号3)/2sin x
化简 1/2cos x-根号3/2sin x
化简:1.5cos(x)-根号3的一半*sin(x)
根号3sin x+cos x要化简
(1)化简:根号2sin(π/4-x)+根号6cos(π/4-x)(2)sin(67°-x)cos(x-22°)+cos(67°-x)cos(112°-x)的值为
化简:根号2sin(π/4-x)+根号6cos(π/4-x)(2)sin(67°-x)cos(x-22°)+cos(67°-x)cos(112°-x)的值为
cos(π/6-x)=根号3/3则cos(5π/6+x)-sin(x-π/6)的平方
化简{sin(π+x)}/1+cos(3π-x)根号下(tanx-sinx)/(tanx+sinx)
已知F(X)=根号3COS^2 X+SIN XCOS X-2SIN X*SIN(X-π/6),求F(X)的最大值
化简sin(π+π/3)+2sin(x-π/3)-根号下3 *cos(2π/3-x)
根号下2/4sin(π/4-x)+根号下6/4cos(π/4-x)