Question

For a particle in simple harmonic motion (SHM) starting its journey at x = a - 2, the xt equation under the given conditions is:
a) x(t) = a - 2 cos(ωt)
b) x(t) = a - 2 sin(ωt)
c) x(t) = a - 2 cos(2ωt)
d) x(t) = a - 2 sin(2ωt)