the answer is but cant seem to get there
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Originally Posted by vinson24
the answer is but cant seem to get there Since they let , this implies that
Now, we see that
Can you take it from here?
let u = sqrt x
du = dx / 2sqrt x
substitute to the equation you will get, the following
2 integrate sin u du
I think you should be able to take it from here.
thanks see it now
You need to put 2 outside of the integration to take care of the 1/2 that is inside the equation. If you do not put the 2 outside. The original equation would have been changed. The 2 is to prevent that from happening Hope it helps.
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