# 1 - Area bounded region, volume, surface area and arc length Questions Answers

Find area of region bounded by the curve y=[sinx+cosx] between x=0 to x=2p.

**Asked By: KAMAL**

is this question helpfull: 8 1

**submit your answer****Joshi sir comment**

[sinx + cosx] = [√2 sin{x+(π/4)}] here [ ] is greatest integer function

its value in different interval are

1 for 0 to π/2

0 for π/2 to 3π/4

-1 for 3π/4 to π

-2 for π to 3π/2

-1 for 3π/2 to 7π/4

0 for 7π/4 to 2π

now solve