## ksaimouli Group Title derivative one year ago one year ago

1. ksaimouli Group Title

|dw:1360450693081:dw|

2. ksaimouli Group Title

@phi

3. Jellopudin Group Title

Obamanation.

4. jtvatsim Group Title

that's $\cos(\frac{3\pi}{2} + h)$ right?

5. ksaimouli Group Title

yes

6. ksaimouli Group Title

$-\sin(\frac{ 3\pi }{ 2 }+h) \frac{ 3 \pi }{ }$

7. ksaimouli Group Title

3 pi/2

8. jtvatsim Group Title

close, I don't think you should have a 3pi/2 though... since the derivative of 3pi/2 is 0.

9. ksaimouli Group Title

hmm whats the answer

10. jtvatsim Group Title

So assuming we are taking the derivative with respect to h, the deriviative of the inside by the chain rule is 1. So we just multiply -sin(3pi/2 + h) by 1 and get -sin(3pi/2 + h).