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It supports mathematical functions (including trigonometric functions).
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-arctan0.1×10-arctan0.01×10-arctan(1/0.375)*10-arctan(1/84.85)*10+arctan(1/3)*10+arctan(1/10.61)*10 .
Question type: Mathematical calculation
Solution:
-90-arctan0.1×10-arctan0.01×10-arctan(1/0.375)*10-arctan(1/84.85)*10+arctan(1/3)*10+arctan(1/10.61)*10
=-90-arctan0.1×10-arctan0.01×10-arctan2.666667*10-arctan(1/84.85)*10+arctan(1/3)*10+arctan(1/10.61)*10
=-90-arctan0.1×10-arctan0.01×10-arctan2.666667*10-arctan0.011786*10+arctan(1/3)*10+arctan(1/10.61)*10
=-90-arctan0.1×10-arctan0.01×10-arctan2.666667*10-arctan0.011786*10+arctan0.333333*10+arctan(1/10.61)*10
=-90-arctan0.1×10-arctan0.01×10-arctan2.666667*10-arctan0.011786*10+arctan0.333333*10+arctan0.094251*10
=-90-0.099669×10-arctan0.01×10-arctan2.666667*10-arctan0.011786*10+arctan0.333333*10+arctan0.094251*10
=-90-0.099669×10-0.01×10-arctan2.666667*10-arctan0.011786*10+arctan0.333333*10+arctan0.094251*10
=-90-0.099669×10-0.01×10-1.212026*10-arctan0.011786*10+arctan0.333333*10+arctan0.094251*10
=-90-0.099669×10-0.01×10-1.212026*10-0.011785*10+arctan0.333333*10+arctan0.094251*10
=-90-0.099669×10-0.01×10-1.212026*10-0.011785*10+0.32175*10+arctan0.094251*10
=-90-0.099669×10-0.01×10-1.212026*10-0.011785*10+0.32175*10+0.093973*10
=-90-0.99669-0.01×10-1.212026*10-0.011785*10+0.32175*10+0.093973*10
=-90-0.99669-0.1-1.212026*10-0.011785*10+0.32175*10+0.093973*10
=-90-0.99669-0.1-12.12026-0.011785*10+0.32175*10+0.093973*10
=-90-0.99669-0.1-12.12026-0.11785+0.32175*10+0.093973*10
=-90-0.99669-0.1-12.12026-0.11785+3.2175+0.093973*10
=-90-0.99669-0.1-12.12026-0.11785+3.2175+0.93973
=-90.99669-0.1-12.12026-0.11785+3.2175+0.93973
=-91.09669-12.12026-0.11785+3.2175+0.93973
=-103.21695-0.11785+3.2175+0.93973
=-103.3348+3.2175+0.93973
=-100.1173+0.93973
=-99.17757
Answer:-90-arctan0.1×10-arctan0.01×10-arctan(1/0.375)*10-arctan(1/84.85)*10+arctan(1/3)*10+arctan(1/10.61)*10=-99.17757
Note: Radian