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AP EAMCET · Maths · Definite Integration

\(\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} \sin (x-[x]) d x=\)

  1. A \(0\)
  2. B \(3(1-\cos 1)+\sin 2-\sin 1\)
  3. C \(3(1-\cos 1)+\cos 2-\sin 1\)
  4. D \(\cos 2-\sin 2\)
Verified Solution

Answer & Solution

Correct Answer

(B) \(3(1-\cos 1)+\sin 2-\sin 1\)

Step-by-step Solution

Detailed explanation

\(\int_{-\frac{\pi}{2}}^{\frac{\pi}{2}} \sin (x-[x]) d x = \int_{-\frac{\pi}{2}}^{-1} \sin (x+2) d x + \int_{-1}^{0} \sin (x+1) d x + \int_{0}^{1} \sin (x) d x + \int_{1}^{\frac{\pi}{2}} \sin (x-1) d x\)…