Factor
\frac{\sin(2\alpha )\left(-2\sin(\alpha )+1\right)}{2}
Evaluate
\frac{\sin(2\alpha )\left(-2\sin(\alpha )+1\right)}{2}
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\frac{1}{2}\left(1-2\sin(\alpha )\right)\sin(2\alpha )
Factor out \frac{1}{2}\sin(2\alpha ).
Examples
Quadratic equation
{ x } ^ { 2 } - 4 x - 5 = 0
Trigonometry
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Linear equation
y = 3x + 4
Arithmetic
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Matrix
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Simultaneous equation
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Differentiation
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Integration
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Limits
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