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Differentiate (1-tanx)/(1+tanx) to simplest form ..Plz answer as soon as possible

Differentiate (1-tanx)/(1+tanx) to simplest form ..Plz answer as soon as possible

Grade:12

1 Answers

Arnab Saha
43 Points
5 years ago
You can write it as tan (pi/4 -x). Then differentiating we get -sec (pi/4 -x)^2. Hope that helped. Ask if you have further doubts.

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