### Home > CALC > Chapter Ch12 > Lesson 12.2.2 > Problem 12-81

12-81.

Now use the arc length formula.

Note: You will need to use one of the Pythagorean Identities to simplify your result.

12-81.

Now use the arc length formula.

Note: You will need to use one of the Pythagorean Identities to simplify your result.