Evaluate
\sqrt{2}+5\approx 6.414213562
Share
Copied to clipboard
3-0+2\sin(45)+|-2|
Calculate \frac{1}{3} to the power of -1 and get 3.
3+0+2\sin(45)+|-2|
Multiply -1 and 0 to get 0.
3+2\sin(45)+|-2|
Add 3 and 0 to get 3.
3+2\times \frac{\sqrt{2}}{2}+|-2|
Get the value of \sin(45) from trigonometric values table.
3+\sqrt{2}+|-2|
Cancel out 2 and 2.
3+\sqrt{2}+2
The absolute value of a real number a is a when a\geq 0, or -a when a<0. The absolute value of -2 is 2.
5+\sqrt{2}
Add 3 and 2 to get 5.
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}