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-arctan0.1×300-arctan0.01×300-arctan(1/0.375)*300-arctan(1/84.85)*300+arctan(1/3)*300+arctan(1/10.61)*300 的值.
题型:数学计算
解:
-90-arctan0.1×300-arctan0.01×300-arctan(1/0.375)*300-arctan(1/84.85)*300+arctan(1/3)*300+arctan(1/10.61)*300
=-90-arctan0.1×300-arctan0.01×300-arctan2.666667*300-arctan(1/84.85)*300+arctan(1/3)*300+arctan(1/10.61)*300
=-90-arctan0.1×300-arctan0.01×300-arctan2.666667*300-arctan0.011786*300+arctan(1/3)*300+arctan(1/10.61)*300
=-90-arctan0.1×300-arctan0.01×300-arctan2.666667*300-arctan0.011786*300+arctan0.333333*300+arctan(1/10.61)*300
=-90-arctan0.1×300-arctan0.01×300-arctan2.666667*300-arctan0.011786*300+arctan0.333333*300+arctan0.094251*300
=-90-0.099669×300-arctan0.01×300-arctan2.666667*300-arctan0.011786*300+arctan0.333333*300+arctan0.094251*300
=-90-0.099669×300-0.01×300-arctan2.666667*300-arctan0.011786*300+arctan0.333333*300+arctan0.094251*300
=-90-0.099669×300-0.01×300-1.212026*300-arctan0.011786*300+arctan0.333333*300+arctan0.094251*300
=-90-0.099669×300-0.01×300-1.212026*300-0.011785*300+arctan0.333333*300+arctan0.094251*300
=-90-0.099669×300-0.01×300-1.212026*300-0.011785*300+0.32175*300+arctan0.094251*300
=-90-0.099669×300-0.01×300-1.212026*300-0.011785*300+0.32175*300+0.093973*300
=-90-29.9007-0.01×300-1.212026*300-0.011785*300+0.32175*300+0.093973*300
=-90-29.9007-3-1.212026*300-0.011785*300+0.32175*300+0.093973*300
=-90-29.9007-3-363.6078-0.011785*300+0.32175*300+0.093973*300
=-90-29.9007-3-363.6078-3.5355+0.32175*300+0.093973*300
=-90-29.9007-3-363.6078-3.5355+96.525+0.093973*300
=-90-29.9007-3-363.6078-3.5355+96.525+28.1919
=-119.9007-3-363.6078-3.5355+96.525+28.1919
=-122.9007-363.6078-3.5355+96.525+28.1919
=-486.5085-3.5355+96.525+28.1919
=-490.044+96.525+28.1919
=-393.519+28.1919
=-365.3271 答案:-90-arctan0.1×300-arctan0.01×300-arctan(1/0.375)*300-arctan(1/84.85)*300+arctan(1/3)*300+arctan(1/10.61)*300=-365.3271 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!