# Differentiate $f(x)=\int_{\tan x}^{0} \frac{\cos t}{1+e^t}dt$

## Answer

**Answers can be viewed only if**

- The questioner was satisfied and accepted the answer, or
- The answer was disputed, but the judge evaluated it as 100% correct.

Erdos

4.4K

The answer is accepted.

Join Matchmaticians Affiliate Marketing
Program to earn up to 50% commission on every question your affiliated users ask or answer.

- answered
- 362 views
- $2.00

### Related Questions

- Calculus - functions, method of Least Squares
- How do you go about solving this question?
- Rouche’s Theorem applied to the complex valued function $f(z) = z^6 + \cos z$
- Find $\lim _{x \rightarrow 0} x^{x}$
- Method of cylindrical shells
- Calculus problems on improper integrals
- Use Stokes’ Theorem to calculate $\iint_{S} \nabla \times V· dS$ on the given paraboloid
- Find $\lim_{x \rightarrow} x^2 \sin(1/x) $. Cite theorems used and show all work