
Home > CALC > Chapter 6 > Lesson 6.3.2 > Problem 6-93
6-93.
Use a trigonometric identity AFTER you find the derivative.
4cos(2x)sin(2x) =
2sin(4x)
Simplify the expression using a trigonometric identity BEFORE you take the derivative.
Careful!
Use a trigonometric identity AFTER you find the derivative.
4cos(2x)sin(2x) =
2sin(4x)
Simplify the expression using a trigonometric identity BEFORE you take the derivative.
Careful!