MAT235Y1 Lecture 5: Mat235 note5
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C i inn not h o. Find where rosa intersects r nia o d. But weonly get 4 ofthem f gs20 . 0 to hame. tw as we get 4 pts. 10 5 wedidnt get the 4 pts in which kazoo but on the circle it means that. Cos20 is the samecurve as r . So we can solve as20 weget 4 otherpts. In houses willgettheother 4pts 0 li. Thetanqeutstopolarr. fm find the slope of its tangent at oo slope xiraso flolcosoyirsiu. no if lolsince. 1siuofycoso find its tangent line at fhsiw. Find at which point the tangent is vertical or horizontal a . 1 16 g o sin . Vertical zsinzo ssiuzo ozuot. invertical z gs 20 0. If we have a polar cane is continuous f as 0 increases from a top rifle x e 043 the awe is sweptonly one. Then we have x flo tgl gzfhsimelyitllftf lengthefr4tt do.
