but what if that which is cubed isn't V cos (3) but just cos(3)?
N = V {cos(3)}^3 + 44
(expt (cos 3) 3) -0.9702769379215033
(+ (* 117.6 -0.9702769379215033) 44) -70.10456789956878
(/ (+ -9 (tan -70.10456789956878)) (expt 5 (sqrt 3.0)))