总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 343.74×(tan(45-14.52/2)*tan(45-14.52/2))+2×13.98×tan(45-14.52/2) 的值.
题型:数学计算
解:
343.74×(tan(45-14.52/2)*tan(45-14.52/2))+2×13.98×tan(45-14.52/2)
=343.74×(tan37.74*tan(45-14.52/2))+2×13.98×tan(45-14.52/2)
=343.74×(tan37.74*tan37.74)+2×13.98×tan(45-14.52/2)
=343.74×0.001674+2×13.98×tan(45-14.52/2)
=343.74×0.001674+2×13.98×tan37.74
=343.74×0.001674+2×13.98×0.040911
=0.575421+2×13.98×0.040911
=0.575421+27.96×0.040911
=0.575421+1.143872
=1.719293 答案:343.74×(tan(45-14.52/2)*tan(45-14.52/2))+2×13.98×tan(45-14.52/2)=1.719293 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!