InterviewSolution
Saved Bookmarks
| 1. |
Value of the integral `int _(-pi//2)^(pi//2) cos x dx ` isA. 4B. 2C. 0D. 1 |
|
Answer» Correct Answer - B Let `l = int _(-pi//2)^(pi//2) cos x dx ` Since, `cos (-x) = cos x` ` :. L = 2 int _(0)^(pi//2) cos x dx = 2 [ sin x ] _(0)^(pi//2) =2` |
|