# What is the implicit derivative of #1=tanx-y^2#?

##### 1 Answer

Nov 21, 2015

#### Explanation:

y is an (unknown) function of x

Derive the left hand side

Derive the right hand side

Sum rule in differention

The chain rule.

d/dx(tan(x)) = 1/cos^2(x) - 2*y*dy/dx #

Left hand side = right hand side

Rewrite