Find the eccentricity of the conic.\\ r = \frac{9}{4 - 9\sin\theta}\\ \text{O } e = 9\\ \text{O } e = -9\\ \text{O } e = 4\\ \text{O } e = \frac{9}{4}\\ \text{O } e = \frac{4}{9}
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Step 1: Recall the formula for eccentricity of a conic: e = sqrt(1 - (b^2/a^2)) where a is the semi-major axis and b is the semi-minor axis. Show more…
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