Explore major math functions like sine, cosine, and tangent! Learn to graph trigonometric functions and understand key ...

Economists are generally optimistic about the economy, but the public hasn't hated it this much in more than a decade—these charts show why.

Abstract: In this paper, we provide a matrix that diagonalizes the Laplacian of a path graph over a finite field. By analogy with the fact that the discrete cosine transform matrix diagonalizes the ...