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lim(x to 1)""((int0^((x-1)) t cos(t) dt)...

`lim_(x to 1)""((int_0^((x-1)) t cos(t) dt)/((x-1) sin(x-1)))`

A

is equal to `1/2`

B

is equal to 1

C

is equal to `-(1)/(2)`

D

does not exist

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