Question

If the point (15/13,12/13) corresponds to an angle theta to the unit circle what is cot theta

Answer 1

\[\frac{ 12 }{ 5}\]

Answer 2

\[\frac{ 5 }{ 12}\]

Answer 3

\[\frac{ 13 }{ 5}\]

Answer 4

\[\frac{ 13 }{ 12 }\]

Answer 5

\[\frac{ 5 }{ 13 }\]

Answer 6

think you mean (5/13,12/13)
anyways yeah this point is on the unit circle since (5/13)^2+(12/13)^2=1^2 holds
so on the unit circle the radius,r, is 1
recall that cot(t)=cos(t)/sin(t)
where cos(t)=x

and sin(t)=y

so cot(t)=x/y