Ncert Exercises & Solutions

The displacement of a particle is represented by the equation \(y= 3 \cos \left(\frac{\pi}{4}-\omega t \right)\). The motion of the particle is:

1.	simple harmonic with period \(\dfrac{2\pi}{\omega}\)
2.	simple harmonic with period \(\dfrac{\pi}{\omega}\)
3.	periodic but not simple harmonic
4.	non-periodic