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 -90-arctan0.1×10-arctan0.01×10-arctan(1/0.375)*18-arctan(1/84.85)*10+arctan(1/3)*10+arctan(1/10.61)*10 的值.
题型:数学计算
解:
-90-arctan0.1×10-arctan0.01×10-arctan(1/0.375)*18-arctan(1/84.85)*10+arctan(1/3)*10+arctan(1/10.61)*10
=-90-arctan0.1×10-arctan0.01×10-arctan2.666667*18-arctan(1/84.85)*10+arctan(1/3)*10+arctan(1/10.61)*10
=-90-arctan0.1×10-arctan0.01×10-arctan2.666667*18-arctan0.011786*10+arctan(1/3)*10+arctan(1/10.61)*10
=-90-arctan0.1×10-arctan0.01×10-arctan2.666667*18-arctan0.011786*10+arctan0.333333*10+arctan(1/10.61)*10
=-90-arctan0.1×10-arctan0.01×10-arctan2.666667*18-arctan0.011786*10+arctan0.333333*10+arctan0.094251*10
=-90-0.099669×10-arctan0.01×10-arctan2.666667*18-arctan0.011786*10+arctan0.333333*10+arctan0.094251*10
=-90-0.099669×10-0.01×10-arctan2.666667*18-arctan0.011786*10+arctan0.333333*10+arctan0.094251*10
=-90-0.099669×10-0.01×10-1.212026*18-arctan0.011786*10+arctan0.333333*10+arctan0.094251*10
=-90-0.099669×10-0.01×10-1.212026*18-0.011785*10+arctan0.333333*10+arctan0.094251*10
=-90-0.099669×10-0.01×10-1.212026*18-0.011785*10+0.32175*10+arctan0.094251*10
=-90-0.099669×10-0.01×10-1.212026*18-0.011785*10+0.32175*10+0.093973*10
=-90-0.99669-0.01×10-1.212026*18-0.011785*10+0.32175*10+0.093973*10
=-90-0.99669-0.1-1.212026*18-0.011785*10+0.32175*10+0.093973*10
=-90-0.99669-0.1-21.816468-0.011785*10+0.32175*10+0.093973*10
=-90-0.99669-0.1-21.816468-0.11785+0.32175*10+0.093973*10
=-90-0.99669-0.1-21.816468-0.11785+3.2175+0.093973*10
=-90-0.99669-0.1-21.816468-0.11785+3.2175+0.93973
=-90.99669-0.1-21.816468-0.11785+3.2175+0.93973
=-91.09669-21.816468-0.11785+3.2175+0.93973
=-112.913158-0.11785+3.2175+0.93973
=-113.031008+3.2175+0.93973
=-109.813508+0.93973
=-108.873778 答案:-90-arctan0.1×10-arctan0.01×10-arctan(1/0.375)*18-arctan(1/84.85)*10+arctan(1/3)*10+arctan(1/10.61)*10=-108.873778 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!