We established in the previous chapter on Fourier analysis that an arbitrary function could be described in terms of simple sine and cosine functions. The mathematics of the sinusoid was developed ...

Carefully sequenced, exam-style questions and complete worked solutions help students develop confidence with both the algebraic and geometric aspects of complex numbers. The worksheet is ideal for ...

Consider this sequence of numbers: 5, 7, 9. Can you spot the pattern? Here’s another with the same pattern: 15, 19, 23. One more: 232, 235, 238. “Three equally spaced things,” says Raghu Meka, a ...