Mathematics
语言:
中文
Language:English
==equ==
Unary equation
Multivariate equation
==cal==
Solution inequality
Mathematical calculation
Fractional calculation
Mathematical statistics
Resolving prime factor
Fraction and Decimal Interactions
Lenders ToolBox
==LiAl==
Determinant
Matrix multiplication
Inverse matrix
==der==
Derivative function
==img==
Function image
==que==
Q&A
current location:Mathematical operation > History of Mathematical Computation
90+arctan(17*0.574)-arctan(2*0.574)-arctan(78*0.574)
90+arctan(8.8*0.583)-arctan(2*0.583)-arctan(40*0.583)
317.55/30.77
30.77/317.55
1/sqrt(3)
1/(2*0.43*sqrt(1-0.43^2))
90-arctan3.74
90-arctan3.74
180-90-arctan(2*1.37)
180-90-arctan(2*1.37)
180-90-arctan(2.74)
180-90-arctan(2.74)
17.16/0.97
0.97/17.16
90+arctan(0.97*0.24)-arctan(0.1*0.24)-arctan(0.01*0.24)-arctan(17.16*0.24)
90-arctan(0.01*30.14)-arctan(0.1*30.14)
90-arctan(0.01*30.14)-arctan(0.1*30.14)
180+arctan(11.3-0.442)-90-arctan(0.442)-arctan(0.25*0.442)-arctan(118.3*0.442)
90-arctan2-arctan(0.25*2)
90-arctan2.236-arctan(0.25*2.236)
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