Basics of functions are stepping-stone to success in functions which include the definition of a functions, its notation, domain and range and the inverse functions.

Trigonometry is often aligned with right-angled triangles only. However, an understanding of trigonometry can also be extended to non-right angle triangles to find unknown sides or angles. The Sine ...

One promising method to reduce DC is to locate a high-bandgap, low-dimensional interlayer at the heterojunction interface as a blocking barrier. Here, we report dual-functional enhancement in flexible ...