Question #261627

Check the periodicity of x(t)= 3cos√2+7 cos 5πt

1
Expert's answer
2021-11-06T01:37:00-0400

ω=5π=2π/TT=2/5=0.4 (s)\omega=5\pi=2\pi/T\to T=2/5=0.4\ (s) . Answer


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