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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-arctan0.1×50-arctan0.01×50-arctan(1/0.375)*50-arctan(1/84.85)*50+arctan(1/3)*50+arctan(1/10.61)*50 .
Question type: Mathematical calculation
Solution:
-90-arctan0.1×50-arctan0.01×50-arctan(1/0.375)*50-arctan(1/84.85)*50+arctan(1/3)*50+arctan(1/10.61)*50
=-90-arctan0.1×50-arctan0.01×50-arctan2.666667*50-arctan(1/84.85)*50+arctan(1/3)*50+arctan(1/10.61)*50
=-90-arctan0.1×50-arctan0.01×50-arctan2.666667*50-arctan0.011786*50+arctan(1/3)*50+arctan(1/10.61)*50
=-90-arctan0.1×50-arctan0.01×50-arctan2.666667*50-arctan0.011786*50+arctan0.333333*50+arctan(1/10.61)*50
=-90-arctan0.1×50-arctan0.01×50-arctan2.666667*50-arctan0.011786*50+arctan0.333333*50+arctan0.094251*50
=-90-0.099669×50-arctan0.01×50-arctan2.666667*50-arctan0.011786*50+arctan0.333333*50+arctan0.094251*50
=-90-0.099669×50-0.01×50-arctan2.666667*50-arctan0.011786*50+arctan0.333333*50+arctan0.094251*50
=-90-0.099669×50-0.01×50-1.212026*50-arctan0.011786*50+arctan0.333333*50+arctan0.094251*50
=-90-0.099669×50-0.01×50-1.212026*50-0.011785*50+arctan0.333333*50+arctan0.094251*50
=-90-0.099669×50-0.01×50-1.212026*50-0.011785*50+0.32175*50+arctan0.094251*50
=-90-0.099669×50-0.01×50-1.212026*50-0.011785*50+0.32175*50+0.093973*50
=-90-4.98345-0.01×50-1.212026*50-0.011785*50+0.32175*50+0.093973*50
=-90-4.98345-0.5-1.212026*50-0.011785*50+0.32175*50+0.093973*50
=-90-4.98345-0.5-60.6013-0.011785*50+0.32175*50+0.093973*50
=-90-4.98345-0.5-60.6013-0.58925+0.32175*50+0.093973*50
=-90-4.98345-0.5-60.6013-0.58925+16.0875+0.093973*50
=-90-4.98345-0.5-60.6013-0.58925+16.0875+4.69865
=-94.98345-0.5-60.6013-0.58925+16.0875+4.69865
=-95.48345-60.6013-0.58925+16.0875+4.69865
=-156.08475-0.58925+16.0875+4.69865
=-156.674+16.0875+4.69865
=-140.5865+4.69865
=-135.88785
Answer:-90-arctan0.1×50-arctan0.01×50-arctan(1/0.375)*50-arctan(1/84.85)*50+arctan(1/3)*50+arctan(1/10.61)*50=-135.88785
Note: Radian