PEverything You Need to Know about Mathematics for Science and EngineeringBRUpdated and expanded with new topics, The Mathematics Companion Mathematical Methods for Physicists and Engineers, 2nd Edition presents the essential core of mathematical principles needed by scientists and engineers. Starting from the basic concepts of trigonometry, the book covers calculus, differential equations, and vector calculus. A new chapter on applications discusses how we see objects mathematically with the eye, how quantum mechanics works, and more. PA Convenient, Student-Friendly Format Rich with Diagrams and Clear ExplanationsBRThe book presents essential mathematics ideas from basic to advanced level in a way that is useful to both students and practicing professionals. It offers a unique and educational approach that is the signature style of the author s companion books. The author explains mathematical concepts clearly, concisely, and visually, illustrating how scientists use the language of m