Question

Which of the following expression represent simple harmonic motion?

• A. $x=A\sin (\omega t+\delta )$
• B. $x=B\cos (\omega t+\varphi )$
• C. $x=A\tan (\omega t+\varphi )$
• D. $x=A\sin \omega t+\cos \omega t$

Answer 1

Answer: (A), (B), (D)

The correct options are
A $x=A\sin (\omega t+\delta )$
B $x=B\cos (\omega t+\varphi )$
D $x=A\sin \omega t+\cos \omega t$