Mastering degree-radian conversions is crucial for trigonometry and calculus. Radians simplify mathematical formulas, ...

Abstract: A ROM-less direct digital frequency synthesizer employing trigonometric quadruple angle formula is present in this paper. The worse case spectral purity is better than -130 dBc. The ...

Trigonometric identities are powerful tools for simplifying complex equations in math and science. Three core ...

The Rubin telescope, sitting at the top of the Cerro Pachon mountains in Chile, captured galaxies 55 million lightyears away.

What started as an after-school hobby has turned into a ticket to the world stage for a local 4-H robotics team called Circuit Breakers.

We propose a Positivstellensatz for trigonometric polynomials that is simpler than its correspondent for polynomials of real variable. Using it, we give a stability test for multidimensional systems, ...