ElectronicProducts.com is pleased to welcome guest author Adrian Nastase. Mr. Nastase is a Principal Electrical Engineer with Newport Corporation and also the voice behind the popular and very-well ...

Given any expression of the form \(a\cos x + b\sin x\) it is better to rewrite it into one of the forms \(k\cos (x \pm \alpha )\) or \(k\sin (x \pm \alpha )\) before answering the question. From this ...