SOLUTION: i need to differentiate y = (Sqrt x^2 +4) sinx

Algebra ->  Trigonometry-basics -> SOLUTION: i need to differentiate y = (Sqrt x^2 +4) sinx      Log On


   



Question 301839: i need to differentiate y = (Sqrt x^2 +4) sinx
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
i need to differentiate y = (Sqrt x^2 +4) sinx
--------------
Form: If f = gh, f' = gh'+hg'
-------------------------------------
y' = (sqrt(x^2+4)(cos(x)) + (sin(x))(1/2)(2x)/sqrt(x^2+4)
---
y' = (sqrt(x^2+4)(cos(x)) + (sin(x))(x/sqrt(x^2+4))
=======================================================
Cheers,
Stan H.