化简:sin(540度-X)/tan(900度-X)*1/tan(450度-x)tan(810度-x)*cos(360度-x)/sin(-x)
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化简:sin(540度-X)/tan(900度-X)*1/tan(450度-x)tan(810度-x)*cos(360度-x)/sin(-x)化简:sin(540度-X)/tan(900度-X)*1/
化简:sin(540度-X)/tan(900度-X)*1/tan(450度-x)tan(810度-x)*cos(360度-x)/sin(-x)
化简:sin(540度-X)/tan(900度-X)*1/tan(450度-x)tan(810度-x)*cos(360度-x)/sin(-x)
化简:sin(540度-X)/tan(900度-X)*1/tan(450度-x)tan(810度-x)*cos(360度-x)/sin(-x)
题目的运算有点看不明白,不过下面的化简应该能帮到你的,对号入座就可以了~
sin(540度-X)=sin(180°-X)=sinX
tan(900度-X)=tan(180°-X)= -tanX= -sinX/cosX
tan(450度-x)=tan(90°-X)=cosX/sinX
tan(810度-x)=tan(90°-X)=cosX/sinX
cos(360度-x)=cosX
sin(-x)=-sinX
化简:sin(540度-X)/tan(900度-X)*1/tan(450度-x)tan(810度-x)*cos(360度-x)/sin(-x)
化简 (sin(540°-x))/(tan(900°-x))*(1/(tan(450°-x)tan(810°-x))*((cos(360°-x))/(sin(-x))
[sin(540-x)/tan(900-x)]*[1/tan(450-x)*tan(810-x)]*[cos(360-x)/sin(-x)]
化简(sin^2 x/sin x-cosx)-(sin x+cosx/tan^2 x-1)
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sin(x+π/3)+(tanπ/6)cos(x+π/3) 化简 sin(x+π/3)+(tanπ/6)cos(x+π/3) 化简