Which one of the following equations of motion represent simple harmonic motion?

Which one of the following equations of motion represents simple harmonic motion ?

In simple harmonic motion

Which one of the following equation at the repressents simple harmonic motion ?

Simple harmonic motion is

In a simple harmonic motion

In a simple harmonic motion

Which of the following equation does not represent a simple harmonic motion

As the expression in ivolving sine function , which of the following equations does not represent a simple harmonic motion ?

Which of the following expressions does not represent simple harmonic motion