计算sin(-π+π/3)+tan(3π/2-π/6)+sin15,

计算sin(-α-5π)*cos(α-2分之π)-tan(α-2分之3π)*tan(2π-α) 计算sin(-π+π/3)+tan(3π/2-π/6)+sin15, 计算：sin25π/6+cos25π/4+tan(-25π/4)+sin(-26π/3) 求计算sin²π/2+cos⁴3π/2-tan²π/3 计算:sin(-14π/3)+cos(-20π/3)+tan(-53π/6) 计算：√3sin（-20/3∏)-cos13/4π×tan（-37/4π） 计算√3sin(-1200 度)/tan11π/3-cos585 度×tan(-37π/4) 计算4sin（2π/11）+tan（3π/11）要解法和答案 三角函数计算：若sinθ+cosθ=√2 则tan(θ+π/3)=? ①sin(-28π/3)②tan(-44π/3)已知sin(π+a)=-1/2,计算:①tan(π/2-a)②cos(27π/2+a)③sin(-a)-[cos(2π-a)] / [tan(a-π)] 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) 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 计算2cosπ/2-tanπ/4+3/4tan²π/6-sinπ/6+cos²π/6+sin3π/2同上 写出过程 计算4/3[cos^2(13π/6)]+3tan^2(π/6)-1/3[sin^2(2π/3)], 已知cos(π+α)=-1/2 计算sin(2π+α)-tan(α-3π)的值 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 Sinπ/3Tanπ/3+tanπ/6COSπ/6－Tanπ/4COSπ/2