The linear approximation at $\displaystyle {x}={0}$ to $\displaystyle {\sin{{\left({6}{x}\right)}}}$ is $\displaystyle {A}+{B}{x}$ where $\displaystyle {A}$ is: Preview Question 6 Part 1 of 2  

and where $\displaystyle {B}$ is: Preview Question 6 Part 2 of 2