\frac { 1 } { ( 3 + 6 + ( \frac { 1 } { \pi } \sin 3 \pi ) }
Evaluate
\frac{1}{9}\approx 0.111111111
Factor
\frac{1}{3 ^ {2}} = 0.1111111111111111
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\frac{1}{9+\frac{1}{\pi }\sin(3\pi )}
Add 3 and 6 to get 9.
\frac{1}{9+\frac{\sin(3\pi )}{\pi }}
Express \frac{1}{\pi }\sin(3\pi ) as a single fraction.
\frac{1}{\frac{9\pi }{\pi }+\frac{\sin(3\pi )}{\pi }}
To add or subtract expressions, expand them to make their denominators the same. Multiply 9 times \frac{\pi }{\pi }.
\frac{1}{\frac{9\pi +\sin(3\pi )}{\pi }}
Since \frac{9\pi }{\pi } and \frac{\sin(3\pi )}{\pi } have the same denominator, add them by adding their numerators.
\frac{1}{\frac{9\pi }{\pi }}
Combine like terms in 9\pi +\sin(3\pi ).
\frac{1}{9}
Cancel out \pi and \pi .
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
4 \sin \theta \cos \theta = 2 \sin \theta
Linear equation
y = 3x + 4
Arithmetic
699 * 533
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}