Question

Answer the above THE BEST WILL GET BRAINLIEST
Note: if you randomly wrote anything you will be reported. I want the explaination.
PS: You will not get the answer in google so don't waste your time!!​

Answer 1

Answer:

-π/2

Explanation:

General equation of SHM:  x = Asin(wt + p) [ Where p is the phase constant]

So, given at t = 0, x = -A

So substituting it:

-A = sin(p)

p = -π/2

This is the answer.