Evaluate L{2 cos²t}. Use L{cos kt}= S s²+k² and Lt" }= n! s¹+1 S

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.4: Values Of The Trigonometric Functions
Problem 22E
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Evaluate L{2 cos²t}.
Use L{cos kt} =
S
s²+k²
2.
and L{t¹ }
n!
sn+1
Transcribed Image Text:Evaluate L{2 cos²t}. Use L{cos kt} = S s²+k² 2. and L{t¹ } n! sn+1
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