engineering recuitment GATE CSE 2023-24 Test Series Engineering Mathematics Calculus Definite Integrals
The value of integral \(\mathop \smallint \limits_0^{\pi /2} {x} \cdot \cos x \cdot dx\) is
1
0
2
-1
3
\(\frac{{ {\pi }}}{2}-1\)
4
\(-\frac{{ {\pi }}}{2}+1\)