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☆算术计算1题
〖1/1算式〗
作业:求算式 348.13×(tan(45+15.2/2)*tan(45+15.2/2))+2×13.24×tan(45+15.2/2) 的值.
题型:数学计算
解:
348.13×(tan(45+15.2/2)*tan(45+15.2/2))+2×13.24×tan(45+15.2/2)
=348.13×(tan52.6*tan(45+15.2/2))+2×13.24×tan(45+15.2/2)
=348.13×(tan52.6*tan52.6)+2×13.24×tan(45+15.2/2)
=348.13×1.090608+2×13.24×tan(45+15.2/2)
=348.13×1.090608+2×13.24×tan52.6
=348.13×1.090608+2×13.24×-1.044322
=379.673363+2×13.24×(-1.044322)
=379.673363+26.48×(-1.044322)
=379.673363+(-27.653647)
=352.019716 答案:348.13×(tan(45+15.2/2)*tan(45+15.2/2))+2×13.24×tan(45+15.2/2)=352.019716 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!