Evaluate
2\left(\sqrt{3}+2\right)\approx 7.464101615
Quiz
Trigonometry
5 problems similar to:
1 + 2 \tan 60 ^ { \circ } - ( - \frac { 1 } { 3 } ) ^ { - 1 }
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1+2\sqrt{3}-\left(-\frac{1}{3}\right)^{-1}
Get the value of \tan(60) from trigonometric values table.
1+2\sqrt{3}-\left(-3\right)
Calculate -\frac{1}{3} to the power of -1 and get -3.
1+2\sqrt{3}+3
The opposite of -3 is 3.
4+2\sqrt{3}
Add 1 and 3 to get 4.
Examples
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{ x } ^ { 2 } - 4 x - 5 = 0
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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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