Enable text based alternatives for graph display and drawing entry

Try another version of this question

Convert the Cartesian coordinates `(-4,-1)` to polar coordinates with `r gt 0` and `0 le theta lt 2pi`.

`r =`  
Enter exact value.

`theta =`  

Get help:


↑
X
MathQuill
   x  x  √  n√  |   | (   ) π ∞ DNE
   x  √  (   ) π ∞ DNE
( ) ( ] [ ) [ ] —∞ ∞ ∪ DNE
< > ≤ ≥ or All Real Numbers DNE
log logn ln n√  | | e 
sin cos tan arcsin arccos arctan ⟨ ⟩
[more..]