carleymay4434 carleymay4434
  • 07-07-2018
  • Mathematics
contestada

What is a factor of: tan^2x + 2tan(x)cos(x) + cos^2(x)

tan(x) + cos(x)
tan(x) - cos(x)
2tan(x) - cos(x)
Both A and B

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Аноним Аноним
  • 07-07-2018
Lets factor  this quadratic function 

the factors  are (tan x + cos x)(tan x + cos x)

So the answer is choice A.
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