What is the period of f(t)=sin(t /36)+cos((t)/9)

scherezade29pc 2022-07-23 Answered
What is the period of f ( t ) = sin ( t 36 ) + cos ( t 9 )?
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Answers (1)

Franklin Frey
Answered 2022-07-24 Author has 15 answers
The period for both sin kt and cos kt is 2 π k
The period of sin ( t 36 ) = 72 π
The period of cos ( t 9 ) = 18 π
18 is a factor of 72.
So, the period for the compounded oscillation is 72 π
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