Ejercicios+Página+260

Andrés Défaz




 * Esteban Rubianes**

Pag 260 __**14) Ctg P Ctg Q – 1 = Cos (P + Q)/Sen P Sen Q**__ Ctg P Ctg Q – 1 = Cos P Cos Q – Sen P Sen Q /Sen P Sen Q Ctg P Ctg Q – 1 = Cos P Cos Q/Sen P Sen Q – Sen P Sen Q /Sen P Sen Q Ctg P Ctg Q – 1 = Cos P Cos Q/Sen P Sen Q – 1 Ctg P Ctg Q – 1 = Ctg P Ctg Q – 1