Respuesta :

msm555

Answer:

  • 2+2sec2∅tan²∅-sec⁴∅-tan⁴∅
  • 2+2sec2∅tan²∅-sec⁴∅-tan⁴∅)
  • 2-(sec⁴∅-2sec∅tan∅+tan⁴∅)
  • 2-(sec²∅-tan²∅)²
  • 2-(1)²
  • 1 is a required answer.

[Note sec²x-tan²x=1]