99 Percentile Qs Bank for JEE MainMathematicsDefinite Integration
∫ 0 π 2 sec x n sec x n + cosec x n d x =
Options
- Aπ 2
- Bπ 3
- Cπ 4
- Dπ 6
Correct answer
C. π 4
Step-by-step solution
∫ 0 π 2 sec x n sec x n + cos e c x n d x ..... (i) ⇒ I = ∫ 0 π 2 sec π 2 - x n sec π 2 - x + cosce π 2 - x n n d x ⇒ I = ∫ 0 π 2 cosce x n cosce x n + sec x n d x ..... (ii) Adding equation (i) and (ii) 2 I = ∫ 0 π 2 d x ⇒ 2 I = x 0 π 2 ⇒ π 4