1-Why do sine and cosine NOT have asymptotes, but the other four trig functions do? Use Unit Cirlce ratios to explain.
The reason why sine and cosine do not have asymptotes is because their trig ratios (sin=y/r and cos=x/r) and always on top of 1 ("r") making them to never be undefined. While the other four trig functions (csc=r/y, sec=r/x, tan=y/x, and cot=x/y) are not over 1 and therefore their denominator can equal 0 which will equal to be undefined and will create the asymptotes.
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