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Current location：Mathematical operation > History of Mathematical Computation > Answer
Overview: 1 questions will be solved this time.Among them
☆1 arithmetic calculations
[1/1 Formula]
Work: Calculate the value of equation -90-arctan0.1×0.7-arctan0.01×0.7-arctan(1/0.375)*0.7-arctan(1/84.85)*0.7+arctan(1/3)*0.7+arctan(1/10.61)*0.7 .
Question type: Mathematical calculation
Solution:
-90-arctan0.1×0.7-arctan0.01×0.7-arctan(1/0.375)*0.7-arctan(1/84.85)*0.7+arctan(1/3)*0.7+arctan(1/10.61)*0.7
=-90-arctan0.1×0.7-arctan0.01×0.7-arctan2.666667*0.7-arctan(1/84.85)*0.7+arctan(1/3)*0.7+arctan(1/10.61)*0.7
=-90-arctan0.1×0.7-arctan0.01×0.7-arctan2.666667*0.7-arctan0.011786*0.7+arctan(1/3)*0.7+arctan(1/10.61)*0.7
=-90-arctan0.1×0.7-arctan0.01×0.7-arctan2.666667*0.7-arctan0.011786*0.7+arctan0.333333*0.7+arctan(1/10.61)*0.7
=-90-arctan0.1×0.7-arctan0.01×0.7-arctan2.666667*0.7-arctan0.011786*0.7+arctan0.333333*0.7+arctan0.094251*0.7
=-90-0.099669×0.7-arctan0.01×0.7-arctan2.666667*0.7-arctan0.011786*0.7+arctan0.333333*0.7+arctan0.094251*0.7
=-90-0.099669×0.7-0.01×0.7-arctan2.666667*0.7-arctan0.011786*0.7+arctan0.333333*0.7+arctan0.094251*0.7
=-90-0.099669×0.7-0.01×0.7-1.212026*0.7-arctan0.011786*0.7+arctan0.333333*0.7+arctan0.094251*0.7
=-90-0.099669×0.7-0.01×0.7-1.212026*0.7-0.011785*0.7+arctan0.333333*0.7+arctan0.094251*0.7
=-90-0.099669×0.7-0.01×0.7-1.212026*0.7-0.011785*0.7+0.32175*0.7+arctan0.094251*0.7
=-90-0.099669×0.7-0.01×0.7-1.212026*0.7-0.011785*0.7+0.32175*0.7+0.093973*0.7
=-90-0.069768-0.01×0.7-1.212026*0.7-0.011785*0.7+0.32175*0.7+0.093973*0.7
=-90-0.069768-0.007-1.212026*0.7-0.011785*0.7+0.32175*0.7+0.093973*0.7
=-90-0.069768-0.007-0.848418-0.011785*0.7+0.32175*0.7+0.093973*0.7
=-90-0.069768-0.007-0.848418-0.008249+0.32175*0.7+0.093973*0.7
=-90-0.069768-0.007-0.848418-0.008249+0.225225+0.093973*0.7
=-90-0.069768-0.007-0.848418-0.008249+0.225225+0.065781
=-90.069768-0.007-0.848418-0.008249+0.225225+0.065781
=-90.076768-0.848418-0.008249+0.225225+0.065781
=-90.925186-0.008249+0.225225+0.065781
=-90.933435+0.225225+0.065781
=-90.70821+0.065781
=-90.642429
Answer:-90-arctan0.1×0.7-arctan0.01×0.7-arctan(1/0.375)*0.7-arctan(1/84.85)*0.7+arctan(1/3)*0.7+arctan(1/10.61)*0.7=-90.642429
Note: Radian