Return to Assignments Product and Quotient rule

### Assignment 3

Differentiate:

### Solution

The product rule yields:

:

From trigonometry we know that we can rewrite the latter form as:

Because we know, also from trigonometry:

we have derived the following result. If:

then:

We would have found the same result if we would have applied the Chain rule.

Return to Assignments Product and Quotient rule