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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*2)-arctan(0.01*2)-arctan(2/0.375)-arctan(2/84.85)+arctan(2/3)+arctan(2/10.61) .
Question type: Mathematical calculation
Solution:
-90-arctan(0.1*2)-arctan(0.01*2)-arctan(2/0.375)-arctan(2/84.85)+arctan(2/3)+arctan(2/10.61)
=-90-arctan0.2-arctan(0.01*2)-arctan(2/0.375)-arctan(2/84.85)+arctan(2/3)+arctan(2/10.61)
=-90-arctan0.2-arctan0.02-arctan(2/0.375)-arctan(2/84.85)+arctan(2/3)+arctan(2/10.61)
=-90-arctan0.2-arctan0.02-arctan5.333333-arctan(2/84.85)+arctan(2/3)+arctan(2/10.61)
=-90-arctan0.2-arctan0.02-arctan5.333333-arctan0.023571+arctan(2/3)+arctan(2/10.61)
=-90-arctan0.2-arctan0.02-arctan5.333333-arctan0.023571+arctan0.666667+arctan(2/10.61)
=-90-arctan0.2-arctan0.02-arctan5.333333-arctan0.023571+arctan0.666667+arctan0.188501
=-90-0.197396-arctan0.02-arctan5.333333-arctan0.023571+arctan0.666667+arctan0.188501
=-90-0.197396-0.019997-arctan5.333333-arctan0.023571+arctan0.666667+arctan0.188501
=-90-0.197396-0.019997-1.385448-arctan0.023571+arctan0.666667+arctan0.188501
=-90-0.197396-0.019997-1.385448-0.023567+arctan0.666667+arctan0.188501
=-90-0.197396-0.019997-1.385448-0.023567+0.588003+arctan0.188501
=-90-0.197396-0.019997-1.385448-0.023567+0.588003+0.186315
=-90.197396-0.019997-1.385448-0.023567+0.588003+0.186315
=-90.217393-1.385448-0.023567+0.588003+0.186315
=-91.602841-0.023567+0.588003+0.186315
=-91.626408+0.588003+0.186315
=-91.038405+0.186315
=-90.85209
Answer:-90-arctan(0.1*2)-arctan(0.01*2)-arctan(2/0.375)-arctan(2/84.85)+arctan(2/3)+arctan(2/10.61)=-90.85209
Note: Radian