- #1

alba_ei

- 39

- 1

## Homework Statement

[tex] \int \frac{\sin x+\cos x}{\sec x+ \tan x}dx [/tex]

## Homework Equations

[tex] \sin x = \frac{1}{\sec x} [/tex]

[tex] \cos x = \frac{\sin x}{\tan x} [/tex]

## The Attempt at a Solution

i separate and try to use identities but i got nothign

1/(secx^2+secx tan x)+sin x/tanx^2+sec x

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