Given the following signals:\ (a)

cos(5\\\\pi t)+sin(6\\\\pi t)

\ (b)

sin(2t)+cos(\\\\pi t)

\ (c)

e^(-10t)u(t)

\ (d)

e^(2t)u(t)

\ i. Which are periodic? Give their periods.\ ii. Which are power signals? Compute their average powers.\ iii. Which are energy signals? Compute their energies.

Given the following signals: (a) cos(5t)+sin(6t) (b) sin(2t)+cos(t) (c) e10tu(t) (d) e2tu(t) i. Which are periodic? Give their periods. ii. Which are power signals? Compute their average powers. iii. Which are energy signals? Compute their energies