Ali, H.H., Abdulsattar, F.M. and Mustafa, A.W. 2022. A New Mechanical Analysis of a Crankshaft-connecting Rod Dynamics Using Lagrange’s Trigonometric Identities. Journal of Engineering and Technological Sciences. 54, 2 (Mar. 2022), 220209. DOI:https://doi.org/10.5614/j.eng.technol.sci.2022.54.2.9.