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∫ 3π/4 lower limit π/4 1/1+cosx dx=?

3π/4 lower limit π/4 1/1+cosx dx=?

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1 Answers

sarim khan
4 Points
8 years ago
let the above exp be I .
also using prop of int .
I=integration of 1/1-cosx
addinging both I’s
2I=integration of (1/1+cosx   +  1/1-cosx)
simplify
2I=integration of (2cosec^2 x.)
hope it helps
 

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