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  • 22-10-2019
  • Mathematics
contestada

sec (a) + tan (a) = sec (a) – tan (a)

Respuesta :

zrh2sfo
zrh2sfo zrh2sfo
  • 22-10-2019

Answer:

a = π n for n element Z

Step-by-step explanation:

Solve for a:

sec(a) + tan(a) = sec(a) - tan(a)

Subtract sec(a) - tan(a) from both sides:

2 tan(a) = 0

Divide both sides by 2:

tan(a) = 0

Take the inverse tangent of both sides:

Answer:  a = π n for n element Z

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