tan(6/π--x)+tan(6/π+x)+根号三倍的tan(6/π--x)乘tan(6/π+x)化简求值
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(tan x/2-π/6)
tan(6/π--x)+tan(6/π+x)+根号三倍的tan(6/π--x)乘tan(6/π+x)化简求值
若3^x=tanπ/6,则tan(π+2x)=?
tan( x/2+π/4)+tan(x/2-π/4 )=2tanxtan(x/2+π/4)+tan(x/2-π/4)=[tan(x/2)+tan(π/4)]/[1-tan(x/2)tan(π/4)]+[tan(x/2)-tan(π/4)]/[1+tan(x/2)tan(π/4)]=[tan(x/2)+1]/[1-tan(x/2)]+[tan(x/2)-1]/[1+tan(x/2)]=[(tan(x/2)+1)^2-(tan(x/2)-1)^2]/[1-(tan(x
tan(-x+π/4)
三角函数化简,tan(π/6-a)+tan(π/6+a)+根号3*tan(π/6-a)*tan(π/6+a)
tan(π/6-α)+tan(π/6+α)+√3tan(π/6-α)tan(π/6+α)=?
tan(π/6-θ)+tanπ/6+√3tan(π/6-θ)tan(π/6+θ) 就是这个,√3
tan(-23π/6)=
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1.化简:⑴【Cos(x—π) tan(x—2π) tan(2π—x)】/【sin(π+x)】⑵((sin^2 )(—x))—tan(360°—x) *tan(—x)—sin(180°—x) cos(360°—x) tan(180°+x)2.求三角函数值:⑴sin(—(43π)/6)⑵cos(—(83π)/6)⑶tan(—(41π)
tanα=3^X ,tanβ=3^(-X),α-β=π/6,则X=_____.
化简tan(x+π/4)+tan(x+π/4)