Evaluate
25.711504387461572
Factor
\frac{6427876096865393}{2 ^ {13} \cdot 5 ^ {15}} = 25\frac{177876096865393}{250000000000000} = 25.711504387461574
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\frac{1}{2} \cdot 80 \cdot 0.6427876096865393
Evaluate trigonometric functions in the problem
\frac{80}{2}\times 0.6427876096865393
Multiply \frac{1}{2} and 80 to get \frac{80}{2}.
40\times 0.6427876096865393
Divide 80 by 2 to get 40.
25.711504387461572
Multiply 40 and 0.6427876096865393 to get 25.711504387461572.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
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Matrix
\left[ \begin{array} { l l } { 2 } & { 3 } \\ { 5 } & { 4 } \end{array} \right] \left[ \begin{array} { l l l } { 2 } & { 0 } & { 3 } \\ { -1 } & { 1 } & { 5 } \end{array} \right]
Simultaneous equation
\left. \begin{cases} { 8x+2y = 46 } \\ { 7x+3y = 47 } \end{cases} \right.
Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
\int _ { 0 } ^ { 1 } x e ^ { - x ^ { 2 } } d x
Limits
\lim _{x \rightarrow-3} \frac{x^{2}-9}{x^{2}+2 x-3}