Continuous-Time Signals HW

• Read Chapter 1 in the text Signals and Systems Using MATLAB.

• Work the following homework problems below.
• Submit homework solutions via Assignment Upload Tool.  Show all work for full credit.

1. Determine if x(t) = cos(8t) + 4sin(8t) is periodic; if periodic, calculate the period.
2. Determine if x(t) = cos(3t + π/4 ) is periodic; if periodic, calculate the period.

For problems 3 and 4 match the signal to the below graphs.

1. Match the signal to the appropriate sketch a thru d above.
   • a.
   • b.
   • c.
   • d.
2. Match the signal to the appropriate sketch a thru d above.
• a.
• b.
• c.
• d.

**PLEASE SEE ATTACHMENT**