Which of the following curves represents correctly the oscillation given by $\mathrm{y} = {\mathrm{y}}_0\sin (\mathrm{\omega t}-\mathrm{\phi }), \mathrm{where} 0<\mathrm{\phi }<{90}^0$?

• A

  A

• B

  B

• C

  C

• D

  D