Modul
e
9 : Infinite Series, Tests of Convergence, Absolute and Conditional Convergence, Taylor and Maclaurin Series
Lecture
27 : Taylor and Maclaurin series [Section 27.2]
Hence, the Taylor series of
indeed converges to the function
, i.e.,
(ii)
For the function
since
and
for all x, we have
Hence, Taylor series of
= cos
is convergent to
, and
.
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indeed converges to the function 
, i.e., 
for all x, we have 
is convergent to 
.
