CBSE Class 12-science Answered
INTEGRATE 1+SINX/SINX(1+COSX)
Asked by Debasish Panigrahi | 18 Feb, 2012, 10:51: AM
Expert Answer
Numerator can be written as (cos(x/2) + sin(x/2) )2
Denominator can be written as 2sin(x/2).cos(x/2){ 2cos2(x/2) }
Now split to get ,
1/4 { cosecx + tan(x/2).sec2(x/2) + 2sec2(x/2) }
which can be integrated as
I = 1/4 { log(cosecx - cotx) + tan2(x/2) + 4tan(x/2) } + C
Answered by | 18 Feb, 2012, 12:33: PM
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