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 180-90-arctan(0.2*5)-arctan(0.5*5)+arctan(0.5*5)-arctan(0.08*5) 的值.
题型:数学计算
解:
180-90-arctan(0.2*5)-arctan(0.5*5)+arctan(0.5*5)-arctan(0.08*5)
=180-90-arctan1-arctan(0.5*5)+arctan(0.5*5)-arctan(0.08*5)
=180-90-arctan1-arctan2.5+arctan(0.5*5)-arctan(0.08*5)
=180-90-arctan1-arctan2.5+arctan2.5-arctan(0.08*5)
=180-90-arctan1-arctan2.5+arctan2.5-arctan0.4
=180-90-0.785398-arctan2.5+arctan2.5-arctan0.4
=180-90-0.785398-1.19029+arctan2.5-arctan0.4
=180-90-0.785398-1.19029+1.19029-arctan0.4
=180-90-0.785398-1.19029+1.19029-0.380506
=90-0.785398-1.19029+1.19029-0.380506
=89.214602-1.19029+1.19029-0.380506
=88.024312+1.19029-0.380506
=89.214602-0.380506
=88.834096 答案:180-90-arctan(0.2*5)-arctan(0.5*5)+arctan(0.5*5)-arctan(0.08*5)=88.834096 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!