计算4sin(2π/11)+tan(3π/11)要解法和答案
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计算4sin(2π/11)+tan(3π/11)要解法和答案
计算4sin(2π/11)+tan(3π/11)
要解法和答案
计算4sin(2π/11)+tan(3π/11)要解法和答案
4sin(2π/11)+tan(3π/11)=根号11
证明过程如图所示
计算4sin(2π/11)+tan(3π/11)要解法和答案
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