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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*0.8)-arctan(0.01*0.8)-arctan(0.8/0.375)-arctan(0.8/84.85)+arctan(0.8/3)+arctan(0.8/10.61) .
Question type: Mathematical calculation
Solution:
-90-arctan(0.1*0.8)-arctan(0.01*0.8)-arctan(0.8/0.375)-arctan(0.8/84.85)+arctan(0.8/3)+arctan(0.8/10.61)
=-90-arctan0.08-arctan(0.01*0.8)-arctan(0.8/0.375)-arctan(0.8/84.85)+arctan(0.8/3)+arctan(0.8/10.61)
=-90-arctan0.08-arctan0.008-arctan(0.8/0.375)-arctan(0.8/84.85)+arctan(0.8/3)+arctan(0.8/10.61)
=-90-arctan0.08-arctan0.008-arctan2.133333-arctan(0.8/84.85)+arctan(0.8/3)+arctan(0.8/10.61)
=-90-arctan0.08-arctan0.008-arctan2.133333-arctan0.009428+arctan(0.8/3)+arctan(0.8/10.61)
=-90-arctan0.08-arctan0.008-arctan2.133333-arctan0.009428+arctan0.266667+arctan(0.8/10.61)
=-90-arctan0.08-arctan0.008-arctan2.133333-arctan0.009428+arctan0.266667+arctan0.075401
=-90-0.07983-arctan0.008-arctan2.133333-arctan0.009428+arctan0.266667+arctan0.075401
=-90-0.07983-0.008-arctan2.133333-arctan0.009428+arctan0.266667+arctan0.075401
=-90-0.07983-0.008-1.13246-arctan0.009428+arctan0.266667+arctan0.075401
=-90-0.07983-0.008-1.13246-0.009428+arctan0.266667+arctan0.075401
=-90-0.07983-0.008-1.13246-0.009428+0.260603+arctan0.075401
=-90-0.07983-0.008-1.13246-0.009428+0.260603+0.075259
=-90.07983-0.008-1.13246-0.009428+0.260603+0.075259
=-90.08783-1.13246-0.009428+0.260603+0.075259
=-91.22029-0.009428+0.260603+0.075259
=-91.229718+0.260603+0.075259
=-90.969115+0.075259
=-90.893856
Answer:-90-arctan(0.1*0.8)-arctan(0.01*0.8)-arctan(0.8/0.375)-arctan(0.8/84.85)+arctan(0.8/3)+arctan(0.8/10.61)=-90.893856
Note: Radian