this correcT?

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- September 11th 2008, 09:51 PMjvignacioderivative trigonometry

this correcT? - September 11th 2008, 09:58 PM11rdc11
Yep

You could simplify it a little more

- September 11th 2008, 10:00 PMjvignacio
- September 11th 2008, 10:02 PMChris L T521
- September 11th 2008, 10:07 PMjvignacio
- September 11th 2008, 10:16 PM11rdc11
I did this kind of fast but I'm pretty sure it the 3rd option

- September 11th 2008, 10:27 PMjvignacio