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☆算术计算1题
〖1/1算式〗
作业:求算式 180-90-arctan(3.77/20)-arctan(3.77/10)-arctan(3.77/4) 的值.
题型:数学计算
解:
180-90-arctan(3.77/20)-arctan(3.77/10)-arctan(3.77/4)
=180-90-arctan0.1885-arctan(3.77/10)-arctan(3.77/4)
=180-90-arctan0.1885-arctan0.377-arctan(3.77/4)
=180-90-arctan0.1885-arctan0.377-arctan0.9425
=180-90-0.186314-arctan0.377-arctan0.9425
=180-90-0.186314-0.360523-arctan0.9425
=180-90-0.186314-0.360523-0.755806
=90-0.186314-0.360523-0.755806
=89.813686-0.360523-0.755806
=89.453163-0.755806
=88.697357 答案:180-90-arctan(3.77/20)-arctan(3.77/10)-arctan(3.77/4)=88.697357 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!