SOLUTION: i need your help i'm stuck. i have to find the exact solutions when possible for 0 deg<= x <360 deg or approximate the solution cotx=12/13

Question 741077: i need your help i'm stuck.
i have to find the exact solutions when possible for 0 deg<= x <360 deg or approximate the solution
cotx=12/13
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
A calculator can give you an approximate solution.
If , then
and the calculator says that so
is positive and increasing in the first and third quadrant, and has a period of
The graph below shows and

So that
The only two approximate solutions to for are
and
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