Alguien me ayuda porfavorcotg[tex] \ alpha [ / tex] + sen[tex] \ alpha [ / tex] / 1 + cos[tex] \ alpha [ / tex] = cosec[tex] \ alpha [ / tex]?
Alguien me ayuda porfavor cotg[tex] \ alpha [ / tex] + sen[tex] \ alpha [ / tex] / 1 + cos[tex] \ alpha [ / tex] = cosec[tex] \ alpha [ / tex].