Question

Find the magnitude and direction m=(2,9)

Answer 1

`\bf \begin{array}{llll} m=&\ \textless \ &2,&9\ \textgreater \ \\ &&a&b \end{array}\quad \begin{cases} magnitude=√(a^2+b^2) \\ \quad \\ direction=tan^(-1)\left( (b)/(a) \right) \end{cases}`