### Home > CALC > Chapter 3 > Lesson 3.4.2 > Problem3-165

3-165.

Before differentiating, rewrite y with a negative fractional exponent.

Before differentiating, rewrite y. Think: trig identities!

Before differentiating, rewrite y with a fractional exponent.

Before differentiating, rewrite y by simplifying the fraction and rewriting with a fractional exponent.