### Home > CALC > Chapter 7 > Lesson 7.2.3 > Problem7-84

7-84.

Find $\frac { d y } { d x }$ for the following functions.

1. $y = \operatorname{tan}^{−1}(2x)$

1. $y =\operatorname{tan}(2x)$

1. $y =\operatorname{cot}(2x)$

Compare and contrast the functions in parts (a), (b) and (c).

Match the answers with the problems, they are in no particular order: