Q. 725.0( 1 Vote )

# Evaluate <span la

Answer :

first divide nominator by denominator –  : To solve this type of solution ,we are going to substitute the value of sinx and cosx in terms of tan(x/2)    In this type of equations we apply substitution method so that equation may be solve in simple way

Let tan(x/2)=t

1/2.sec2(x/2)dx=dt

Put these terms in above equation,we get Substitute these terms in above equation gives-  Now put the value of t, t=tan(x/2) in above equation gives us the finally solution Rate this question :

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