Fibonacci - Home
Fibonacci - Home
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It is easy to construct graphs of the symmetrical <strong>Fibonacci</strong> and Lucas functions (Fig. 1, 2).<br />
Figure 1. The symmetric <strong>Fibonacci</strong><br />
functions<br />
46<br />
Figure 2. The symmetric Lucas functions<br />
Their graphs have a symmetric form and are similar to the graphs of the classical hyperbolic functions. However, at the point x<br />
= 0, the symmetric <strong>Fibonacci</strong> cosine cFs(x) takes the value<br />
,