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tAn12分之π函数值

tan12分之派的三角函数值回答:tan(π/12) =sin(π/12)/cos(π/12) =2sin²(π/12)/[2sin(π/12)*cos(π/12)] =[1-cos(π/6)]/s

计算tanπ/12的值tan(π/12)=sin(π/12)/cos(π/12)=2sin²(π/12)/[2sin(π/12)*cos(π/

tan派/12tanπ/12=tan15°.=tan(45°-30°).=(tan45°-tan30°)/(1+tan45°*tan30°).=(

tanπ/12=?π=180度π/12=180/12=15°cos30 °= √¯3/2 cos15 °= √¯[(1 +

tan兀/12三角函数值过程解:tan(π/4-π/6)=tanπ/12 ∴tanπ/12=(tanπ/4-tanπ/6)/(1+tanπ/4*tanπ

tan12分之π-(tan12分之π)分之1, tan12分之π-(tan12tan12分之π-(tan12分之π)分之1 = sin(π/12)/cos(π/12)-cos(π/12)/sin(π/12) =[sin^2(π/12)-cos^2(π/12)]/[cos

tanπ/12的具体数值,急!tanπ/12 =tan30 =根号3/3

计算tanπ/12的值您好! 【解析】此题考察半角公式的运用。 tan(2×π/12)=tanπ/6=√3/3=(2tanπ/12)/(1-tan²π/12)

利用加法定理求tan12分之派tan12分之派 =tan(3分之π-4分之π) =(tan3分之π-tan4分之π)/[1+tan3分之πtan4分之π] =(√3 -1

tanπ/12的具体数值,回答:tanπ/12 =tan30 =根号3/3

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