odee63979 odee63979
  • 30-05-2022
  • Mathematics
contestada

Simplify the expression

Simplify the expression class=

Respuesta :

lpina68 lpina68
  • 30-05-2022

Answer:

-1

Step-by-step explanation:

Use the Pythagorean Identity:

1 + tan^2(x)= sec^2(x)

Rearrange it. Substitute. Simplify.See image. It's been done two ways on the image. You don't need both. But they both use the process above. See image.

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