Expand the following: \begin{align} Fb2 &= \cssId{Step1}{F_{Gx}= F_G * sinα} \\[3px] &\cssId{Step2}{F_{Gy} = F_G * cosα} \\[3px] &\cssId{Step3}{x: -F_{b2} + F_G * sinα= ma2} \\[3px] &\cssId{Step4}{y: -N_2 + F_G * cosα= 0} \\[3px] &\cssId{Step5}{F_{b2} = fN_2} \\[3px] &\cssId{Step6}{F_{b2} = fF_G * cosα} \\[3px] \end{align}