1. The problem statement, all variables and given/known data What value(s) of θ will result in the block being accelerated 9.0m/s2 to the right? 2. Relevant equations ƩFx = max N = mg - P sin(θ) 3. The attempt at a solution P cos(θ) - μkN = max P cos(θ) - μk(mg - P sin(θ)) = max P cos(θ) + μk P sin(θ) = max + μkmg cos(θ) + μk sin(θ) = (1/P)(max + μkmg) From here I can't find a trig identity that will help me isolate for theta.