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☆算术计算1题
〖1/1算式〗
作业:求算式 1/2*((173.735^2)-173.735^2/(tan70)^2+173.735^2/(sin70)^2) 的值.
题型:数学计算
解:
1/2*((173.735^2)-173.735^2/(tan70)^2+173.735^2/(sin70)^2)
=1/2*(30183.850225000005594-173.735^2/(tan70)^2+173.735^2/(sin70)^2)
=1/2*(30183.850225000005594-173.735^2/1.22196^2+173.735^2/(sin70)^2)
=1/2*(30183.850225000005594-173.735^2/1.22196^2+173.735^2/0.773891^2)
=1/2*60367.661683
=0.5*60367.661683
=30183.830841 答案:1/2*((173.735^2)-173.735^2/(tan70)^2+173.735^2/(sin70)^2)=30183.830841 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!