# Sinusoidal Functions

• Sep 29th 2011, 06:07 PM
lakers784
Sinusoidal Functions
Hi i need help with this problem my test is tomorrow and i am trying to figure out if i am right i have attached the file and the problem is number 13

i got y=-1+8cos pi/35(x-5)

• Sep 29th 2011, 06:14 PM
pickslides
Re: Sinusoidal Functions
Sounds fair to me.
• Oct 1st 2011, 05:06 AM
niggawut
yes you are absolutely correct (Rofl)

no kidding, I've worked it out.

$y = ({8})( {cos\frac{\pi(x-5)}{\35})} -1$ (Rofl)