Question

use reference angle to find the exact value of the expression.

tan 7pie/6

Answer 1

\[\tan \frac{ 7\pi }{6 }=\tan \left( \pi+\frac{ \pi }{ 6 } \right)=\tan \frac{ \pi }{ 6 }=\frac{ \frac{ 1 }{2 } }{\frac{ \sqrt{3} }{2 } }=\frac{ 1 }{ \sqrt{3} }\]

Answer 2

Thanks.

Answer 3

yw