A hint to get started
Prove the inverse-tangent derivative by implicit differentiation
Prove that .
CJC · Lecture appendix · Example E
Identify the form before applying a rule. Preserve the original domain while simplifying.
Read the worked solution
A hint to get started
Prove that d(tan−1x)/dx=1/(1+x2).
CJC · Lecture appendix · Example E
Identify the form before applying a rule. Preserve the original domain while simplifying.