CBSE Class 12-science Answered
Sir, you have solved the following question:
??e^(-x) cos2xcos4xdx?
But, I am not able to solve it further. So please solve it fully giving full explanation.
The answer to this question given in the book is:
e^(-x) [1/74 (6sin6x-cos6x)+1/10 (2sin2x-cos2x)]+C
Asked by Manoj | 24 Mar, 2013, 05:13: PM
Expert Answer
Answered by | 24 Mar, 2013, 10:07: PM
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