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〖1/1算式〗
作业:求算式 228.52×(tan(45-13.091/2)*tan(45-13.091/2))-2×14.466×tan(45-13.091/2) 的值.
题型:数学计算
解:
228.52×(tan(45-13.091/2)*tan(45-13.091/2))-2×14.466×tan(45-13.091/2)
=228.52×(tan38.4545*tan(45-13.091/2))-2×14.466×tan(45-13.091/2)
=228.52×(tan38.4545*tan38.4545)-2×14.466×tan(45-13.091/2)
=228.52×0.886821-2×14.466×tan(45-13.091/2)
=228.52×0.886821-2×14.466×tan38.4545
=228.52×0.886821-2×14.466×0.941712
=202.656335-2×14.466×0.941712
=202.656335-28.932×0.941712
=202.656335-27.245612
=175.410723 答案:228.52×(tan(45-13.091/2)*tan(45-13.091/2))-2×14.466×tan(45-13.091/2)=175.410723 注:弧度制你的问题在这里没有得到解决?请到 热门难题 里面看看吧!