Question

use the graph of cotangent to find the values of 0 for which cot 0=0

Answer 1

ok so I think you mean \[\theta\] not 0?

Answer 2

just list all the numbers where the red lines cross the black lines

Answer 3

yeah. i didnt know how to type that

Answer 4

notice, its
{....-5pi/2,-3pi/2,-pi/2,pi/2,3pi/2,5pi/2...}

Answer 5

yeah thats where the red line falls

Answer 6

\[\frac{\pi}{2}\pm\pi*n,n \in N\]

Answer 7

err
\[n\in Z\]

Answer 8

understand?

Answer 9

no. where did u get those signs from?

Answer 10

ooh nvm i see now.

Answer 11

{....-5pi/2,-3pi/2,-pi/2,pi/2,3pi/2,5pi/2...}
u understand this^^^^

Answer 12

ok same thing. this is the answer.

Answer 13

in the future you can use x instead of \[\theta\]

Answer 14

okay. thats not a answer choice though

Answer 15

0+180

Answer 16

what are all the choices?