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delirija7z 2022-07-06 Answered
lim x 0 ( cos ( π 2 cos ( x ) ) ) sin ( sin ( x ) 2 ) = l
then find the value of {l}, where {l} denotes fractional part.
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Answers (1)

Jayvion Tyler
Answered 2022-07-07 Author has 23 answers
This step is incorrect .It should have been:
= lim x 0 π 2 ( ( cos ( x ) 1 ) cos ( x ) ) x 2 = lim x 0 π 2 ( 1 2 ) 1
as lim x 0   c o s x 1 x 2 = 1 2 and lim x 0 cos x = 1

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