Posted by **Bob** on Tuesday, January 29, 2013 at 9:56pm.

Which of the following is not a solution of the equation tan squared A =3?

(1) -pie/3

(2) 2pie/3

(3) 5pie/6

(4) 120 degrees

- Trigonometry -
**Reiny**, Tuesday, January 29, 2013 at 10:28pm
5π/6

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