Cos
(Built-in Mathematica Symbol) Cos[z] gives the cosine of z.
Csc
(Built-in Mathematica Symbol) Csc[z] gives the cosecant of z.
RealDigits[x] gives a list of the digits in the approximate real number x, together with the number of digits that are to the left of the decimal point. RealDigits[x, b] ...
Sin
(Built-in Mathematica Symbol) Sin[z] gives the sine of z.
When Mathematica plots a graph for you, it has to make many choices. It has to work out what the scales should be, where the function should be sampled, how the axes should ...
Solving equations involving power series. Here is a power series. This gives an equation involving the power series.
EulerEquations[f, u[x ], x] returns the Euler\[Dash]Lagrange differential equation obeyed by u[x] derived from the functional f, where f depends on the function u[x] and its ...
CoifletWavelet[] represents a Coiflet wavelet of order 2.CoifletWavelet[n] represents a Coiflet wavelet of order n.
DaubechiesWavelet[] represents a Daubechies wavelet of order 2. DaubechiesWavelet[n] represents a Daubechies wavelet of order n.