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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(13.8)-arctan(0.1*13.8)-arctan(0.02*13.8)-arctan(0.01*13.8)-arctan(10*13.8)+arctan(13.8*0.1394)-arctan(13.8*0.0377) .
Question type: Mathematical calculation
Solution:
90+arctan(13.8)-arctan(0.1*13.8)-arctan(0.02*13.8)-arctan(0.01*13.8)-arctan(10*13.8)+arctan(13.8*0.1394)-arctan(13.8*0.0377)
=90+arctan13.8-arctan(0.1*13.8)-arctan(0.02*13.8)-arctan(0.01*13.8)-arctan(10*13.8)+arctan(13.8*0.1394)-arctan(13.8*0.0377)
=90+arctan13.8-arctan1.38-arctan(0.02*13.8)-arctan(0.01*13.8)-arctan(10*13.8)+arctan(13.8*0.1394)-arctan(13.8*0.0377)
=90+arctan13.8-arctan1.38-arctan0.276-arctan(0.01*13.8)-arctan(10*13.8)+arctan(13.8*0.1394)-arctan(13.8*0.0377)
=90+arctan13.8-arctan1.38-arctan0.276-arctan0.138-arctan(10*13.8)+arctan(13.8*0.1394)-arctan(13.8*0.0377)
=90+arctan13.8-arctan1.38-arctan0.276-arctan0.138-arctan138+arctan(13.8*0.1394)-arctan(13.8*0.0377)
=90+arctan13.8-arctan1.38-arctan0.276-arctan0.138-arctan138+arctan1.92372-arctan(13.8*0.0377)
=90+arctan13.8-arctan1.38-arctan0.276-arctan0.138-arctan138+arctan1.92372-arctan0.52026
=90+1.498459-arctan1.38-arctan0.276-arctan0.138-arctan138+arctan1.92372-arctan0.52026
=90+1.498459-0.943726-arctan0.276-arctan0.138-arctan138+arctan1.92372-arctan0.52026
=90+1.498459-0.943726-0.269296-arctan0.138-arctan138+arctan1.92372-arctan0.52026
=90+1.498459-0.943726-0.269296-0.137134-arctan138+arctan1.92372-arctan0.52026
=90+1.498459-0.943726-0.269296-0.137134-1.56355+arctan1.92372-arctan0.52026
=90+1.498459-0.943726-0.269296-0.137134-1.56355+1.091414-arctan0.52026
=90+1.498459-0.943726-0.269296-0.137134-1.56355+1.091414-0.479724
=91.498459-0.943726-0.269296-0.137134-1.56355+1.091414-0.479724
=90.554733-0.269296-0.137134-1.56355+1.091414-0.479724
=90.285437-0.137134-1.56355+1.091414-0.479724
=90.148303-1.56355+1.091414-0.479724
=88.584753+1.091414-0.479724
=89.676167-0.479724
=89.196443
Answer:90+arctan(13.8)-arctan(0.1*13.8)-arctan(0.02*13.8)-arctan(0.01*13.8)-arctan(10*13.8)+arctan(13.8*0.1394)-arctan(13.8*0.0377)=89.196443
Note: Radian