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Find the roots of the equation using the Quadratic Formula
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$\sin\left(30\right)-\sin\left(90\right)+2\cos\left(0\right)=0$
Learn how to solve equations problems step by step online. Find the roots of sin(30)-sin(90)2cos(0). Find the roots of the equation using the Quadratic Formula. The sine of 30 equals . The sine of 90 equals . Subtract the values \frac{1}{2} and -1.