### Home > CALC > Chapter Ch3 > Lesson 3.4.2 > Problem3-165

3-165.
1. Find for each of the following equations. You will need to rewrite each equation first. Homework Help ✎

1. y = sin2 x + cos2 x

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.