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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(0.12×0.1)-arctan(0.02×0.1)-arctan(1/0.205×0.1)-arctan(1/23.894×0.1)+arctan(1/1.3×0.1)+arctan(1/7.073×0.1) .
Question type: Mathematical calculation
Solution:
-90-arctan(0.12×0.1)-arctan(0.02×0.1)-arctan(1/0.205×0.1)-arctan(1/23.894×0.1)+arctan(1/1.3×0.1)+arctan(1/7.073×0.1)
=-90-arctan0.012-arctan(0.02×0.1)-arctan(1/0.205×0.1)-arctan(1/23.894×0.1)+arctan(1/1.3×0.1)+arctan(1/7.073×0.1)
=-90-arctan0.012-arctan0.002-arctan(1/0.205×0.1)-arctan(1/23.894×0.1)+arctan(1/1.3×0.1)+arctan(1/7.073×0.1)
=-90-arctan0.012-arctan0.002-arctan0.487805-arctan(1/23.894×0.1)+arctan(1/1.3×0.1)+arctan(1/7.073×0.1)
=-90-arctan0.012-arctan0.002-arctan0.487805-arctan0.004185+arctan(1/1.3×0.1)+arctan(1/7.073×0.1)
=-90-arctan0.012-arctan0.002-arctan0.487805-arctan0.004185+arctan0.076923+arctan(1/7.073×0.1)
=-90-arctan0.012-arctan0.002-arctan0.487805-arctan0.004185+arctan0.076923+arctan0.014138
=-90-0.011999-arctan0.002-arctan0.487805-arctan0.004185+arctan0.076923+arctan0.014138
=-90-0.011999-0.002-arctan0.487805-arctan0.004185+arctan0.076923+arctan0.014138
=-90-0.011999-0.002-0.453844-arctan0.004185+arctan0.076923+arctan0.014138
=-90-0.011999-0.002-0.453844-0.004185+arctan0.076923+arctan0.014138
=-90-0.011999-0.002-0.453844-0.004185+0.076772+arctan0.014138
=-90-0.011999-0.002-0.453844-0.004185+0.076772+0.014137
=-90.011999-0.002-0.453844-0.004185+0.076772+0.014137
=-90.013999-0.453844-0.004185+0.076772+0.014137
=-90.467843-0.004185+0.076772+0.014137
=-90.472028+0.076772+0.014137
=-90.395256+0.014137
=-90.381119
Answer:-90-arctan(0.12×0.1)-arctan(0.02×0.1)-arctan(1/0.205×0.1)-arctan(1/23.894×0.1)+arctan(1/1.3×0.1)+arctan(1/7.073×0.1)=-90.381119
Note: Radian