Lucindadempsey134
Lucindadempsey134 Lucindadempsey134
  • 06-04-2020
  • Mathematics
contestada

Choose the best answer: -tan x- cot x=
sec x + csc x
-sec x csc x
cos x sin x
cos x + sin x

Respuesta :

Аноним Аноним
  • 06-04-2020

Answer:

hope it helps you see the attachment for further information....

Ver imagen Аноним
Answer Link
kenlingdad kenlingdad
  • 06-04-2020

Answer:

-sec x csc x

Step-by-step explanation:

-tan x- cot x= -((sin x/cos x) + cos x/ sin x))

                   = - ((sin² x + cos² x) / sin x cos x)

                   = - ( 1 / sin x cos x)

                   = - sec x csc x

Answer Link

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