Find L{cos2(t)}L{cos^2 (t)}

Annette Arroyo

Annette Arroyo

Answered question

2021-01-02

Find L{cos2(t)}

Answer & Explanation

tabuordg

tabuordg

Skilled2021-01-03Added 99 answers

We have to find following L{cos2(t)}
Notice that Lcos2(t)=L1/2+cos(2t)1/2=L1/2+1/2Lcos(2t)=(1/2s)+s/((s2)+4)
L{cos2(t)}=(12s)+(s2(s2)+4)

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