In this case i divide numerator and denominator by and i get like this.Then What can i do???????
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Originally Posted by srirahulan In this case i divide numerator and denominator by and i get like this.Then What can i do??????? Hint: Start over and sub in x = 2u, then use the double angle formula for cos(2u). -Dan
I tried by your way but i have another problem i get 1/3+cos2x d(2x)>>>>
Hmmm.... It would seem that I forgot to square the cos() in the denominator. Sorry! -Dan
Originally Posted by srirahulan In this case i divide numerator and denominator by and i get like this.Then What can i do??????? Well, you'd actually be MULTIPLYING the top and bottom by to give you this. Anyway... Now make the substitution and the integral becomes
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