Which frequencies is produced if Va sin⁡(ωa t) amplitude modulates the carrier Vc sin⁡(ωc t)?a) (ωc + ωa), (ωc – ωa) and ωcb) (ωc) and (ωa)c) (ωc + ωa) and (2ωc + 2ωa)d) (2ωc) and (2ω

• A. (ωc + ωa), (ωc – ωa) and ωc
• B. (ωc) and (ωa)c) (ωc + ωa) and (2ωc + 2ωa)d) (2ω
• C. and (ωa)c) (ωc + ωa) and (2ωc + 2ωa)
• D. (2ωc) and (2ωa)