Q: The frequency of a particle performing SHM is 12 Hz. Its amplitude is 4cm. Its initial displacement is 2 cm toward positive extreme position. Its equation for displacement is

(a) x=0.04 cos(24πt+π/6)m

(b) x=0.04 sin(24πt)m

(c) x=0.04 sin(24πt+π/6)m

(d) x=0.04 cos(24πt)m

Ans: (c)