question_answer

The area bounded by the \[x-\]axis and the curve \[y=\sin x\] and \[x=0,\] \[x=\pi \] is                                  [Kerala (Engg.) 2002]

A)            1    

B)            2

C)            3    

D)            4

Correct Answer: B

Solution :

                   The curve is symmetric about x-axis,            \ Shaded area \[=2\int_{0}^{\pi /2}{\sin xdx=2[-\cos x]_{0}^{\pi /2}=2}\].