1.

If I_(n) = int (sin nx)/(cos x) dx " then " I_(n)

Answer»

`(-2)/(N - 1) COS (n - 1) x - l_(n_(-2))`
`(2)/(n - 1) cos (n - 1) x + l_(n _( -2))`
`(-2)/(n +1) SIN (n +1) x - l_(n_(-2))`
`(-2)/(n +1)cos (n-1) x - l_(n_(-2))`

Answer :A


Discussion

No Comment Found

Related InterviewSolutions