- #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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