计算：sinπ/6+cosπ/6+tanπ/6+cotπ/6

计算：sinπ/6+cosπ/6+tanπ/6+cotπ/6 计算:sin(-14π/3)+cos(-20π/3)+tan(-53π/6) 计算2cosπ/2-tanπ/4+3/4tan²π/6-sinπ/6+cos²π/6+sin3π/2同上 写出过程 计算（1）cosπ/3-tanπ/4+3/4tan²π/6-sinπ/6+cos²π/6cosπ/3-tanπ/4+3/4tan²π/6-sinπ/6+cos²π/6[tan(-150°)cos（-210°）cos420°]/cot(-600°)sin（-1050°）cos25/6π+cos25/3π+tan(-25/4π)5sinπ/2+2cos0-3sin3/2π+10cosπt 计算cosπ/3-tanπ/4+3/4tan²π/6-sinπ/6+cos²π/6cosπ/3-tanπ/4+3/4tan²π/6-sinπ/6+cos²π/6[tan(-150°)cos（-210°）cos420°]/cot(-600°)sin（-1050°）cos25/6π+cos25/3π+tan(-25/4π)5sinπ/2+2cos0-3sin3/2π+10cosπtan10°t 2cos π/2-tan π/4+3/4tan的平方 π/6-sin π/6+cos的平方 π/6 +sin 3π/2 求计算过程及...2cos π/2-tan π/4+3/4tan的平方 π/6-sin π/6+cos的平方 π/6 +sin 3π/2 Sinπ/3Tanπ/3+tanπ/6COSπ/6－Tanπ/4COSπ/2 高一必修4三角函数sin420*cos750+sin(-330)*cos(-660)tan675+tan765-tan(-330)+tan(-690)sin(25π/6)+cos(25π/3)+tan(-25π/4)2.已知sin(π+α)=-1/2 计算(1)sin(5π-α) (2)sin(π/2+α) (3)cos(α-3π/2) (4)tan(π/2-α) 若α∈(0,π/6) 比较tan(sinα),tan(cosα),tan(tanα)的大小 已知tan（α+π/4）=3,计算2sinαcosα+6cos方α-3/5cos方α-6sinαcosα-5sin方α 计算4/3[cos^2(13π/6)]+3tan^2(π/6)-1/3[sin^2(2π/3)], 高一三角函数计算求 具体方法!（1）cos310*tan(-108)(2)sin(5π/4）*cos（4π/5）*tan（11π/6） cosπ/3+tanπ/4+3tan²π/6+sinπ/2+cosπ+sin3π/2等于?. cosπ|3-tanπ|4+3|4tan²π|6+cos²π|6-sinπ|4 计算4tan²π/4-cos²π/3-1/2sin²π/6+sinπ/2*cos0的值 计算 ①tan600°-cos960°-sin(-300°)② tan（-5π/6）+cos（-23π/4）+sin-17π/3） 计算tan(－1560度)cos(17π/6) 化简:tan(2π-a)sin(-2π-a)cos(6π-a)/cos(a-π)sin(5π-a)