derive sin(root x)

[greese]

derive sin(root x)

please help?

i have

= sin x ^ (1/2)

thus derivative = (1/2) cos x ^ (1/2)????

Thanks

 

[royhaas]

Use the chain rule properly.

 

[greese]

ok so it is

(1/2) x ^(-1/2) cos x^(1/2)
???

 

[Deleted member 4993]

ok so it is

(1/2) x ^(-1/2) cos x^(1/2) <<< Correct???