0 0 votes Let $x_{1}(t)=\cos (2 \pi n t)$ and $x_{2}(t)=2 \sin (4 \pi n t)$ represent two sinusoids for a positive integer $n$ and $-\infty < t < \infty$.Which of the following statements about $x_{1}(t)$ and $x_{2}(t)$ is/are valid?$x_{1}(t)$ and $x_{2}(t)$ are orthogonal to each other over $0 \leq t<1 / n$.$x_{1}(t)$ and $x_{2}(t)$ are orthonormal to each other over $0 \leq t<1 / n$.$x_{2}(t)$ is a harmonic of $x_{1}(t)$.$x_{1}(t)$ and $x_{2}(t)$ are non-orthogonal to each other over $0 \leq t<1 /(2 n)$. Continuous-time Signals gateec-2026 continuous-time-signals signals-and-systems analog-communications multiple-selects + – gatecse 103 views answer comment Share Follow Add Sync Questions Print 0 reply Please log in or register to add a comment.
