Category:Cosine plus Cosine
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This category contains pages concerning Cosine plus Cosine:
- $\cos \alpha + \cos \beta = 2 \map \cos {\dfrac {\alpha + \beta} 2} \map \cos {\dfrac {\alpha - \beta} 2}$
Pages in category "Cosine plus Cosine"
The following 5 pages are in this category, out of 5 total.