Question

3. Resolver: tg180° + sen 90° - CSC270°​

Answer 1

Respuesta:

Razones trigonométricas de 90 + α sen(90 - α) = cos α sen(90 + α) = cos α cos (90 - α) = sen α cos (90 + α) = -senα tg(90 - α) = 1 tg α tg(90 + α)

Explicación paso a paso: