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Simplify $-2\cos\left(30\right)\sin\left(30\right)$ using the trigonometric identity: $\sin(2x)=2\sin(x)\cos(x)$
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$\frac{-2\sin\left(2\cdot 30\right)}{2}=\left(2-\sin\left(30\right)-\cos\left(30\right)\right)\cdot \left(1+\sin\left(30\right)+\cos\left(30\right)\right)$
Learn how to solve problems step by step online. Solve the equation -2cos(30)sin(30)=(2-sin(30)-cos(30))(1+sin(30)cos(30)). Simplify -2\cos\left(30\right)\sin\left(30\right) using the trigonometric identity: \sin(2x)=2\sin(x)\cos(x). Multiply 2 times 30. Take \frac{-2}{2} out of the fraction. The \sin\left(60\right) equals 0.