ShamyraClark11 ShamyraClark11
  • 27-06-2020
  • Mathematics
contestada

Which of the following expressions is equal to -1?
sec90°
sin180°
csc270°

Respuesta :

irenemarysamuel
irenemarysamuel irenemarysamuel
  • 27-06-2020

Answer:

csc 270° is the answer.

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