Asked by denise
use the fundamental trig. Identities to simplify tan^4x+2tan^2x+1
Answers
Answered by
Reiny
tan^4x+2tan^2x+1
= (tan^2x+ 1)(tan^2x+ 1) = (tan^2x+1)^2
but we know tan^2x + 1 = sec^2x
so above
= sec^4x
= (tan^2x+ 1)(tan^2x+ 1) = (tan^2x+1)^2
but we know tan^2x + 1 = sec^2x
so above
= sec^4x
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.