1.

Value of `int_(0)^(pi//2) cos 3t` isA. `(2)/(3)`B. `-(1)/(3)`C. `- (2)/(3)`D. `(1)/(3)`

Answer» Correct Answer - B
`int_(0)^(pi//2) cos 3t dt=[(sin 3t)/(3)]_(0)^(pi//2)`
`= (1)/(3) [-1-0]=(-1)/(3)`.


Discussion

No Comment Found

Related InterviewSolutions