Difference between revisions of "Trigonometry"
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[[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. |
[[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. |
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| − | + | \(\cos[b] \sin[a] = \frac{1}{2} (\sin[a\! -\! b] + \sin[a\! +\! b])\) |
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==References== |
==References== |
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Latest revision as of 18:43, 30 July 2019
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.
\(\cos[b] \sin[a] = \frac{1}{2} (\sin[a\! -\! b] + \sin[a\! +\! b])\)
References