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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-arctan(0.1*0.2)-arctan(0.01*0.2)-arctan(0.2/0.375)-arctan(0.2/84.85)+arctan(0.2/3)+arctan(0.2/0.61) .
Question type: Mathematical calculation
Solution:
-90-arctan(0.1*0.2)-arctan(0.01*0.2)-arctan(0.2/0.375)-arctan(0.2/84.85)+arctan(0.2/3)+arctan(0.2/0.61)
=-90-arctan0.02-arctan(0.01*0.2)-arctan(0.2/0.375)-arctan(0.2/84.85)+arctan(0.2/3)+arctan(0.2/0.61)
=-90-arctan0.02-arctan0.002-arctan(0.2/0.375)-arctan(0.2/84.85)+arctan(0.2/3)+arctan(0.2/0.61)
=-90-arctan0.02-arctan0.002-arctan0.533333-arctan(0.2/84.85)+arctan(0.2/3)+arctan(0.2/0.61)
=-90-arctan0.02-arctan0.002-arctan0.533333-arctan0.002357+arctan(0.2/3)+arctan(0.2/0.61)
=-90-arctan0.02-arctan0.002-arctan0.533333-arctan0.002357+arctan0.066667+arctan(0.2/0.61)
=-90-arctan0.02-arctan0.002-arctan0.533333-arctan0.002357+arctan0.066667+arctan0.327869
=-90-0.019997-arctan0.002-arctan0.533333-arctan0.002357+arctan0.066667+arctan0.327869
=-90-0.019997-0.002-arctan0.533333-arctan0.002357+arctan0.066667+arctan0.327869
=-90-0.019997-0.002-0.489957-arctan0.002357+arctan0.066667+arctan0.327869
=-90-0.019997-0.002-0.489957-0.002357+arctan0.066667+arctan0.327869
=-90-0.019997-0.002-0.489957-0.002357+0.066568+arctan0.327869
=-90-0.019997-0.002-0.489957-0.002357+0.066568+0.316825
=-90.019997-0.002-0.489957-0.002357+0.066568+0.316825
=-90.021997-0.489957-0.002357+0.066568+0.316825
=-90.511954-0.002357+0.066568+0.316825
=-90.514311+0.066568+0.316825
=-90.447743+0.316825
=-90.130918
Answer:-90-arctan(0.1*0.2)-arctan(0.01*0.2)-arctan(0.2/0.375)-arctan(0.2/84.85)+arctan(0.2/3)+arctan(0.2/0.61)=-90.130918
Note: Radian