- #1

- 34

- 0

## Homework Statement

(cos^3)(e^4(theta))

## Homework Equations

f(x)=f(g(x))

## The Attempt at a Solution

u=e^49theta))

-3sin^2(e^4(theta)) x e^4(theta)

Just not sure what I'm doing wrong, I know what the answer is I'm just not sure how to get to it.

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- Thread starter delfam
- Start date

- #1

- 34

- 0

(cos^3)(e^4(theta))

f(x)=f(g(x))

u=e^49theta))

-3sin^2(e^4(theta)) x e^4(theta)

Just not sure what I'm doing wrong, I know what the answer is I'm just not sure how to get to it.

- #2

- 193

- 2

[tex] [f( g(x) )] ' = f'(g(x)) * g'(x). [/tex]

- #3

- 193

- 2

1. derivative of the outside function, leaving the inside function untouched.

2. multiply by the derivative of the inside function.

- #4

- 34

- 0

the question is cos^3 * e^4theta the theta is connected to the raised power of 4.

- #5

- 193

- 2

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