Integral Calculus

JEE Main level, single correct, medium

4 of 4

Question 4 of 4

The value of ∫0π/2sin⁡xsin⁡x+cos⁡x dx\int_0^{\pi/2} \frac{\sin x}{\sin x + \cos x}\,dx is equal to:

Show answer and solution

Answer: (A) π/4\pi/4

Using King's property: 2I=∫0π/21 dx=π/2  ⟹  I=π/42I = \int_0^{\pi/2} 1\,dx = \pi/2 \implies I = \pi/4.

JEE Main question paper PDF

Open a shift to read the full paper on this page, or download it.

JEE Main 2025 Apr 2 Shift 1 question paper

Open Download PDF

Opening paper…

Explain it as a whiteboard videoStep-by-step, in Hinglish or English. Your first video needs no login.Solved it on paper but got it wrong?Upload a photo of your working. Mistake Doctor marks the exact line that broke.
Revise Definite Integration firstFormula sheet, solved examples and the traps students fall into.

More Mathematics practice

JEE Main Mathematics practice question on Integral Calculus, with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.