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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*0.4)-arctan(0.01*0.4)-arctan(0.4/0.375)-arctan(0.4/84.85)+arctan(0.4/3)+arctan(0.4/10.61) .
Question type: Mathematical calculation
Solution:
-90-arctan(0.1*0.4)-arctan(0.01*0.4)-arctan(0.4/0.375)-arctan(0.4/84.85)+arctan(0.4/3)+arctan(0.4/10.61)
=-90-arctan0.04-arctan(0.01*0.4)-arctan(0.4/0.375)-arctan(0.4/84.85)+arctan(0.4/3)+arctan(0.4/10.61)
=-90-arctan0.04-arctan0.004-arctan(0.4/0.375)-arctan(0.4/84.85)+arctan(0.4/3)+arctan(0.4/10.61)
=-90-arctan0.04-arctan0.004-arctan1.066667-arctan(0.4/84.85)+arctan(0.4/3)+arctan(0.4/10.61)
=-90-arctan0.04-arctan0.004-arctan1.066667-arctan0.004714+arctan(0.4/3)+arctan(0.4/10.61)
=-90-arctan0.04-arctan0.004-arctan1.066667-arctan0.004714+arctan0.133333+arctan(0.4/10.61)
=-90-arctan0.04-arctan0.004-arctan1.066667-arctan0.004714+arctan0.133333+arctan0.0377
=-90-0.039979-arctan0.004-arctan1.066667-arctan0.004714+arctan0.133333+arctan0.0377
=-90-0.039979-0.004-arctan1.066667-arctan0.004714+arctan0.133333+arctan0.0377
=-90-0.039979-0.004-0.817645-arctan0.004714+arctan0.133333+arctan0.0377
=-90-0.039979-0.004-0.817645-0.004714+arctan0.133333+arctan0.0377
=-90-0.039979-0.004-0.817645-0.004714+0.132551+arctan0.0377
=-90-0.039979-0.004-0.817645-0.004714+0.132551+0.037682
=-90.039979-0.004-0.817645-0.004714+0.132551+0.037682
=-90.043979-0.817645-0.004714+0.132551+0.037682
=-90.861624-0.004714+0.132551+0.037682
=-90.866338+0.132551+0.037682
=-90.733787+0.037682
=-90.696105
Answer:-90-arctan(0.1*0.4)-arctan(0.01*0.4)-arctan(0.4/0.375)-arctan(0.4/84.85)+arctan(0.4/3)+arctan(0.4/10.61)=-90.696105
Note: Radian