deletions | additions       diff --git a/layout.md b/layout.md  index 16fd83e..c02c1c1 100644  --- a/layout.md  +++ b/layout.md 
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Ejercicio_8_de_la_relaci__.md  a_Utilice_la_f_rmula__.md  section_Ejercicio_8_de_la__.tex  Soluci_n_begin_aligned_cos__.tex  Soluci_n_begin_aligned_cos__.md  b_Deduzca_que_cos_frac__.tex