- #1
Riazy
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Homework Statement
$1/cosx dx
Homework Equations
See the scanned paper
The Attempt at a Solution
See my scanned paper
[PLAIN]http://img812.imageshack.us/img812/2892/img0003001.jpg
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:rofl::rofl::rofl::rofl::rofl::rofl: LOLRiazy said:Mark44: We don't use sec x in sweden, so no i don't
╔(σ_σ)╝: Hmm i could need some more elaboration on that method, I really need to get to solve this, but i won't be able to get in touch with my professor at the moment, and I live 60 kilometers from my uni :/
The expression $1/cosx dx represents the indefinite integral of the function 1/cosx, which is also known as the secant function. This means finding the antiderivative of 1/cosx with respect to the variable x.
To solve the integral $1/cosx dx, you can use the substitution method by letting u = cosx. This will transform the integral into ∫du/u, which can be easily evaluated using the logarithmic rule.
The solution for $1/cosx dx may be written on a scanned paper to provide a visual aid for understanding the steps and methods used to solve the integral. This can also serve as a reference for those who prefer to see the handwritten solution rather than a typed one.
Yes, there are several methods to solve the integral $1/cosx dx. Aside from substitution, you can also use the trigonometric identity for secant and tangent, or use integration by parts. It is important to choose the most appropriate method based on the given function and your own understanding.
Yes, the solution for $1/cosx dx can be used as a guide for solving other integrals with a similar form, such as $1/sinx dx or $1/tanx dx. However, it is still important to take note of any variations or specific techniques that may be needed for different functions.