How do you take the derivative of #tan^-1 2x#?
1 Answer
Aug 4, 2015
Use the derivative of
Explanation:
The derivative of
So, applying the chain rule, we get:
In this question
# = 2/(1+4x^2)#
Note
If
Differentiating implicitly gets us:
From trigonometry, we know that
so
and we have
For