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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-arctan(0.1*10)-arctan(0.01*10)-arctan(10/0.375)-arctan(10/84.85)+arctan(10/3)+arctan(10/10.61) .
Question type: Mathematical calculation
Solution:
-90-arctan(0.1*10)-arctan(0.01*10)-arctan(10/0.375)-arctan(10/84.85)+arctan(10/3)+arctan(10/10.61)
=-90-arctan1-arctan(0.01*10)-arctan(10/0.375)-arctan(10/84.85)+arctan(10/3)+arctan(10/10.61)
=-90-arctan1-arctan0.1-arctan(10/0.375)-arctan(10/84.85)+arctan(10/3)+arctan(10/10.61)
=-90-arctan1-arctan0.1-arctan26.666667-arctan(10/84.85)+arctan(10/3)+arctan(10/10.61)
=-90-arctan1-arctan0.1-arctan26.666667-arctan0.117855+arctan(10/3)+arctan(10/10.61)
=-90-arctan1-arctan0.1-arctan26.666667-arctan0.117855+arctan3.333333+arctan(10/10.61)
=-90-arctan1-arctan0.1-arctan26.666667-arctan0.117855+arctan3.333333+arctan0.942507
=-90-0.785398-arctan0.1-arctan26.666667-arctan0.117855+arctan3.333333+arctan0.942507
=-90-0.785398-0.099669-arctan26.666667-arctan0.117855+arctan3.333333+arctan0.942507
=-90-0.785398-0.099669-1.533314-arctan0.117855+arctan3.333333+arctan0.942507
=-90-0.785398-0.099669-1.533314-0.117314+arctan3.333333+arctan0.942507
=-90-0.785398-0.099669-1.533314-0.117314+1.27934+arctan0.942507
=-90-0.785398-0.099669-1.533314-0.117314+1.27934+0.755809
=-90.785398-0.099669-1.533314-0.117314+1.27934+0.755809
=-90.885067-1.533314-0.117314+1.27934+0.755809
=-92.418381-0.117314+1.27934+0.755809
=-92.535695+1.27934+0.755809
=-91.256355+0.755809
=-90.500546
Answer:-90-arctan(0.1*10)-arctan(0.01*10)-arctan(10/0.375)-arctan(10/84.85)+arctan(10/3)+arctan(10/10.61)=-90.500546
Note: Radian