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re's a precalculus question for you: Solve the equation \( 2 \sin (x) \cos (x)= \) \( s(x) \) for all values of \( x \) in the interval \( [0,2 \pi) \).

Ask by Campos Bryant. in the United States
Mar 13,2025

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The solutions are \( x = 0, \frac{\pi}{3}, \pi, \frac{5\pi}{3} \).

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To solve the equation \( 2 \sin (x) \cos (x) = s(x) \), we can first use the double angle identity for sine, which states that \( 2 \sin (x) \cos (x) = \sin(2x) \). This means our equation can be rewritten as \( \sin(2x) = s(x) \). To find solutions for \( \sin(2x) = s(x) \) in the interval \( [0, 2\pi) \), we need to consider the values of \( s(x) \) within the range of the sine function, which is between -1 and 1. The values of \( x \) that satisfy this equation can be found by examining where the two functions intersect over the interval specified. It's often useful to graph \( y = \sin(2x) \) and \( y = s(x) \) on the same axes to visually see where the intersections occur. By solving \( \sin(2x) = s(x) \) via algebraic or numerical methods, we can determine the values of \( x \) in the desired interval. Remember to check your angles to ensure they're in the specified range! Happy solving!

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