Find the fundamental period of a continuous-time sinusoidal signal x(t) = A cos (ω0t + θ).

• A. \({T_0} = \frac{{2\pi }}{{{\omega _0}}}\)
• B. T0 ­= 2π ω0
• C. \({T_0} = \frac{{2\pi \theta }}{{{\omega _0}}}\)
• D. \({T_0} = \frac{{{\omega _0}}}{{2\pi }}\)