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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(0.12×50)-arctan(0.02×50)-arctan(1/0.205×50)-arctan(1/23.894×50)+arctan(1/1.3×50)+arctan(1/7.073×50) .
Question type: Mathematical calculation
Solution:
-90-arctan(0.12×50)-arctan(0.02×50)-arctan(1/0.205×50)-arctan(1/23.894×50)+arctan(1/1.3×50)+arctan(1/7.073×50)
=-90-arctan6-arctan(0.02×50)-arctan(1/0.205×50)-arctan(1/23.894×50)+arctan(1/1.3×50)+arctan(1/7.073×50)
=-90-arctan6-arctan1-arctan(1/0.205×50)-arctan(1/23.894×50)+arctan(1/1.3×50)+arctan(1/7.073×50)
=-90-arctan6-arctan1-arctan243.90245-arctan(1/23.894×50)+arctan(1/1.3×50)+arctan(1/7.073×50)
=-90-arctan6-arctan1-arctan243.90245-arctan2.0926+arctan(1/1.3×50)+arctan(1/7.073×50)
=-90-arctan6-arctan1-arctan243.90245-arctan2.0926+arctan38.46155+arctan(1/7.073×50)
=-90-arctan6-arctan1-arctan243.90245-arctan2.0926+arctan38.46155+arctan7.06915
=-90-1.405648-arctan1-arctan243.90245-arctan2.0926+arctan38.46155+arctan7.06915
=-90-1.405648-0.785398-arctan243.90245-arctan2.0926+arctan38.46155+arctan7.06915
=-90-1.405648-0.785398-1.566696-arctan2.0926+arctan38.46155+arctan7.06915
=-90-1.405648-0.785398-1.566696-1.125005+arctan38.46155+arctan7.06915
=-90-1.405648-0.785398-1.566696-1.125005+1.544802+arctan7.06915
=-90-1.405648-0.785398-1.566696-1.125005+1.544802+1.430269
=-91.405648-0.785398-1.566696-1.125005+1.544802+1.430269
=-92.191046-1.566696-1.125005+1.544802+1.430269
=-93.757742-1.125005+1.544802+1.430269
=-94.882747+1.544802+1.430269
=-93.337945+1.430269
=-91.907676
Answer:-90-arctan(0.12×50)-arctan(0.02×50)-arctan(1/0.205×50)-arctan(1/23.894×50)+arctan(1/1.3×50)+arctan(1/7.073×50)=-91.907676
Note: Radian