Am I going in the right direction?
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Originally Posted by saiyanmx89 Try this: Now do
Last edited by Reckoner; Feb 24th 2009 at 06:19 PM. Reason: Careless error.
You are going in the right direction, only Now you can use the fact that .
Last edited by Scott H; Feb 24th 2009 at 06:51 PM.
Originally Posted by Reckoner Try this: Now do what would du =?
Originally Posted by saiyanmx89 what would du =? You should learn and know the derivatives of all six of the basic trigonometric functions.
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