Solve for a, b, θ
\theta =arg(\sqrt{b^{2}+8}+ib)\text{, }a=\sqrt{b^{2}+8}\text{, }b\in \mathrm{C}
\theta =arg(-\sqrt{b^{2}+8}+ib)\text{, }a=-\sqrt{b^{2}+8}\text{, }b\in \mathrm{C}
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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
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Simultaneous equation
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Differentiation
\frac { d } { d x } \frac { ( 3 x ^ { 2 } - 2 ) } { ( x - 5 ) }
Integration
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Limits
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