PhysicsEasy100×since 2002Q8129The function sin2(ωt){\sin ^2}\left( {\omega t} \right)sin2(ωt) representsAa periodic, but not SHMSHMSHM with a period πω{\pi \over \omega }ωπBa periodic, but not SHMSHMSHM with a period 2πω{{2\pi } \over \omega }ω2πCa SHMSHMSHM with a period πω{\pi \over \omega }ωπDa SHMSHMSHM with a period 2πω{{2\pi } \over \omega }ω2πCheck answerSkip