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Integration of ln(1 + cosX) given from lower limit "0" to upper limit "pie"

Integration of ln(1 + cosX)


given from lower limit "0" to upper limit "pie"

Grade:12

1 Answers

Akash Kumar Dutta
98 Points
8 years ago

ln(1+cosX)=ln(2.cos^2 X/2)=ln2 + 2lncos X/2
now integrate the func..
for ln2...integral=xln2
for 2ln cos X/2 aplly u.v formula by taking 2=v,ln cos X/2=u
and then apply limits.

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