BardiFan
19.07.2020 •
Mathematics
Tan 9x - tan 5x/ 1+ tan 9x tan 5x
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Ответ:
tan 4x
Step-by-step explanation:
Note the difference identity for tangent ratio is
tan(x - y) =
Given
= tan(9x - 5x)
= tan 4x
Ответ:
I believe that the answer is A
Step-by-step explanation:
Hope this helps and plz give brainliest!