\[ \int_{-\pi / 2}^{+\pi / 2}(\operatorname{Sin} x+\cos x) d x \] (a) 24 (b) 2 (c) -2 (d) -4
\[
\int_{-\pi / 2}^{+\pi / 2}(\operatorname{Sin} x+\cos x) d x
\]
(a) 24
(b) 2
(c) -2
(d) -4
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