Question

Use the definition of the derivative to determine the value of ..

Answer 1

\[\lim_{x \rightarrow \frac{ \pi }{ 6 }} \frac{ 2\sin x-1 }{ 6x-\pi }\]

Answer 2

as \[x \rightarrow \frac{ \pi }{ 6 }\]
(if you can't see)