Answer:
-√3 ≈ -1.73205 (see below)
Explanation:
The tangent value tan(11(3.14)/3) can be found easily using any scientific or graphing calculator, or a spreadsheet.
Tangent
The calculator available in a browser search box tells you ...
tan(11(3.14)/3) ≈ -1.7556
Please note that 3.14 and pi (π) are not interchangeable when it comes to finding the values of trig functions. Perhaps the tangent you really want is ...
tan(11π/3) = tan(-π/3) = -√3 ≈ 1.73205