Trigonometry

Trigonometry means set of tools to handle with combinations of functions sin and cos, and also, the skills to use these tools. Some formulas of trigonometry are collected here.

\(\cos[b] \sin[a] = \frac{1}{2} (\sin[a\! -\! b] + \sin[a\! +\! b])\)

Keywords
cos, exp, sin

Categpory:Algebra ,

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