ExamBro
ExamBro
KCET · Maths · Definite Integration

\( \int_{0}^{\frac{\pi}{2}} \frac{\sin ^{1000} x d x}{\sin ^{1000} x+\cos ^{1000} x} \) is equal to

  1. A \( 1000 \)
  2. B \( \pi \)
  3. C \( \frac{\pi}{2} \)
  4. D \( \frac{\pi}{4} \)
Verified Solution

Answer & Solution

Correct Answer

(D) \( \frac{\pi}{4} \)

Step-by-step Solution

Detailed explanation

\( I = \int_{0}^{\frac{\pi}{2}} \frac{\sin ^{1000} x}{\sin ^{1000} x+\cos ^{1000} x} dx \) Using \( \int_{0}^{a} f(x) dx = \int_{0}^{a} f(a-x) dx \):