Question: Let r ( t ) = e t i s i n t j l n t k Find the following values: a . ,

Let
r(t)=eti sintjlntk
Find the following values:
a.,r(4)
b.limt4r(t)
c. Is r(t) continuous at t=4?
Let r ( t ) = e t i s i n t j l n t k Find the

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