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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(13.77*0.71)-arctan(0.2*0.71)-arctan(0.71)-arctan(81*0.71) .
Question type: Mathematical calculation
Solution:
90+arctan(13.77*0.71)-arctan(0.2*0.71)-arctan(0.71)-arctan(81*0.71)
=90+arctan9.7767-arctan(0.2*0.71)-arctan(0.71)-arctan(81*0.71)
=90+arctan9.7767-arctan0.142-arctan(0.71)-arctan(81*0.71)
=90+arctan9.7767-arctan0.142-arctan0.71-arctan(81*0.71)
=90+arctan9.7767-arctan0.142-arctan0.71-arctan57.51
=90+1.468867-arctan0.142-arctan0.71-arctan57.51
=90+1.468867-0.141057-arctan0.71-arctan57.51
=90+1.468867-0.141057-0.617406-arctan57.51
=90+1.468867-0.141057-0.617406-1.55341
=91.468867-0.141057-0.617406-1.55341
=91.32781-0.617406-1.55341
=90.710404-1.55341
=89.156994
Answer:90+arctan(13.77*0.71)-arctan(0.2*0.71)-arctan(0.71)-arctan(81*0.71)=89.156994
Note: Radian