Goniometric substitution

Task number: 3115

Evaluate the integral \( \int \frac 1{2-\cos x} \, dx. \)

Don‘t forget to examine on which interval/intervals the solution is valid. (It is important and instructive for this problem)

    Difficulty level: Easy task (using definitions and simple reasoning)
    Routine calculation training
    Cs translation
    Send comment on task by email