Question

y=sec ^3 x/2

Answer 1

\[y=\sec^{3}\frac{x}{2}\]

Answer 2

\[\frac{dy}{dx}=3\sec^{2}\frac{x}{2} \sec \frac {x}{2} \tan \frac{x}{2}\]

Answer 3

is that correct @sirm3d

Answer 4

One more link in the chain is needed...d/dx(x/2)=1/2
Tack that on.

Answer 5

so everything into half?

Answer 6

i dont think so
http://www.wolframalpha.com/input/?i=derivative+of+y%3Dsec%5E3+x%2F2

Answer 7

Yes... in a sense, since it is all multiplied... but it will only change that 3 in front to 3/2

Answer 8

oh its there sorry

Answer 9

:P

Answer 10

No problem. And wolfram combined the secants.

Answer 11

I did too