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If tan x = 3/4, pi lt pi lt (3pi)/(2), ...

If `tan x = 3/4, pi lt pi lt (3pi)/(2), ` then the value of `cos ""x/2 ` is

A

`3/sqrt(10)`

B

`-3/sqrt(10)`

C

`-1/sqrt(10)`

D

`1/sqrt(10).`

Text Solution

Verified by Experts

The correct Answer is:
C
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