Unit T post #4

Why do sine and cosine NOT have asymptotes, but the four other trig graphs do? 
Well then sine and cosine do not have asymptotes because they will be 1 which will make them 0. There them having no asymptote.  And for the 4 rest trig functions they will have some because even if they are equal to 0 they will have an asymptote Tangent and cotangent at 0 and 180 , or pi. Secant will be 0. As well as cosecant.