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π/6
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时间:2024/05/15 13:20:57
π/6
π/6
π/6
cos(a-π/6)=15/17 π/6
π/6
π/6
π/6
Sin(π+π/6)Sin(2π+π/6)Sin(3π+π/6).Sin(2008π+π/6)求值
设-π/6
计算:sinπ/6+cosπ/6+tanπ/6+cotπ/6
当π/6
已知π/6
已知π/6
已知π/6
sin 11π/6
已知π/6
COS13/6π
已知π/6
已知π比6
已知π/6
6π约等于
sin25π/6等于?