Evaluate
-2\pi \approx -6.283185307
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4\left(0x-\frac{\pi }{2}\right)
Get the value of \cos(\frac{\pi }{2}) from trigonometric values table.
4\left(0-\frac{\pi }{2}\right)
Anything times zero gives zero.
4\left(-\frac{\pi }{2}\right)
Anything plus zero gives itself.
-2\pi
Cancel out 2, the greatest common factor in 4 and 2.
Examples
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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
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Limits
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