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**freestar** If you graph the polar function $\displaystyle r = 1 - cot(\theta)$, $\displaystyle 0\leq\theta\leq\2\pi$, $\displaystyle -10\leq x \leq\10$, $\displaystyle -2\leq y \leq\2$, you should find a horizontal asymptote. Prove there is one, and find the other, not visible horizontal asymptote

I tried converting it back to cartesian but the equation cannot be isolated for y so that I could take the limit as x approaches positive or negative infinity. Other than that, I have no idea how to approach this problem. Any help would be appreciated.