If the $\cos A = \frac{5}{13}$, what is the $\sin A$?
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Given that sin A = 0.5, we can substitute this value into the equation: (0.5)^2 + cos^2 A = 1. Simplifying the equation, we get: 0.25 + cos^2 A = 1. Subtracting 0.25 from both sides, we have: cos^2 A = 0.75. Taking the square root of both sides, we get: cos A Show more…
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