θ = 29.99949062 degrees or 0.52358988524 radians

M = 0.03000126

X=54.99860335

L1 Error = 0.01335823

LaTeX format:

\left(t\cdot\cos\left(0.52358988524\right)-e^{0.03000126\left|t\right|}\cdot\sin\left(0.3\cdot t\right)\cdot\sin\left(0.52358988524\right)+54.99860335,\ t\cdot\sin\left(0.52358988524\right)+e^{0.03000126\left|t\right|}\cdot\sin\left(0.3\cdot t\right)\cdot\cos\left(0.52358988524\right)+42\right)