6. (4 points) Given the polar curve $r = 2 + \sin(4\theta)$, $0 \le \theta \le \frac{\pi}{2}$. Find the tangent line of the polar curve at $\theta = \frac{\pi}{4}$.
Added by Richard A.
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Step 1: To find the tangent line of a polar curve at a specific point, we first need to find the equation of the curve in Cartesian coordinates. Show more…
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