A weight attached to a spring is pulled down inches below the equilibrium position. Complete parts ​(a) and ​(b) below.'
ssuming the period is 1/3
​second, determine a trigonometric model that gives the position of the weight at time t seconds.
​s(t)

enter your response here
​(Simplify your answer. Type an exact​ answer, using as​ needed.)
Part 2
​(b) What is the​ frequency?
The frequency is

enter your response here oscillations per sec.
​(Simplify your​ answer.)