Evaluate
-1
Quiz
Trigonometry
5 problems similar to:
4 \sin ( 60 ) - \left| -2 \right| - \sqrt{ 12 } + { -1 }^{ 2016 }
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4\times \frac{\sqrt{3}}{2}-|-2|-\sqrt{12}+\left(-1\right)^{2016}
Get the value of \sin(60) from trigonometric values table.
2\sqrt{3}-|-2|-\sqrt{12}+\left(-1\right)^{2016}
Cancel out 2, the greatest common factor in 4 and 2.
2\sqrt{3}-2-\sqrt{12}+\left(-1\right)^{2016}
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.
2\sqrt{3}-2-2\sqrt{3}+\left(-1\right)^{2016}
Factor 12=2^{2}\times 3. Rewrite the square root of the product \sqrt{2^{2}\times 3} as the product of square roots \sqrt{2^{2}}\sqrt{3}. Take the square root of 2^{2}.
-2+\left(-1\right)^{2016}
Combine 2\sqrt{3} and -2\sqrt{3} to get 0.
-2+1
Calculate -1 to the power of 2016 and get 1.
-1
Add -2 and 1 to get -1.
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}