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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(0.12×100)-arctan(0.02×100)-arctan(1/0.205×100)-arctan(1/23.894×100)+arctan(1/1.3×100)+arctan(1/7.073×100) .
Question type: Mathematical calculation
Solution:
-90-arctan(0.12×100)-arctan(0.02×100)-arctan(1/0.205×100)-arctan(1/23.894×100)+arctan(1/1.3×100)+arctan(1/7.073×100)
=-90-arctan12-arctan(0.02×100)-arctan(1/0.205×100)-arctan(1/23.894×100)+arctan(1/1.3×100)+arctan(1/7.073×100)
=-90-arctan12-arctan2-arctan(1/0.205×100)-arctan(1/23.894×100)+arctan(1/1.3×100)+arctan(1/7.073×100)
=-90-arctan12-arctan2-arctan487.8049-arctan(1/23.894×100)+arctan(1/1.3×100)+arctan(1/7.073×100)
=-90-arctan12-arctan2-arctan487.8049-arctan4.1852+arctan(1/1.3×100)+arctan(1/7.073×100)
=-90-arctan12-arctan2-arctan487.8049-arctan4.1852+arctan76.9231+arctan(1/7.073×100)
=-90-arctan12-arctan2-arctan487.8049-arctan4.1852+arctan76.9231+arctan14.1383
=-90-1.487655-arctan2-arctan487.8049-arctan4.1852+arctan76.9231+arctan14.1383
=-90-1.487655-1.107149-arctan487.8049-arctan4.1852+arctan76.9231+arctan14.1383
=-90-1.487655-1.107149-1.568746-arctan4.1852+arctan76.9231+arctan14.1383
=-90-1.487655-1.107149-1.568746-1.336256+arctan76.9231+arctan14.1383
=-90-1.487655-1.107149-1.568746-1.336256+1.557797+arctan14.1383
=-90-1.487655-1.107149-1.568746-1.336256+1.557797+1.500184
=-91.487655-1.107149-1.568746-1.336256+1.557797+1.500184
=-92.594804-1.568746-1.336256+1.557797+1.500184
=-94.16355-1.336256+1.557797+1.500184
=-95.499806+1.557797+1.500184
=-93.942009+1.500184
=-92.441825
Answer:-90-arctan(0.12×100)-arctan(0.02×100)-arctan(1/0.205×100)-arctan(1/23.894×100)+arctan(1/1.3×100)+arctan(1/7.073×100)=-92.441825
Note: Radian