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

If `tan x = 3/4, pi lt x lt (3pi)/(2), ` then the value of `cos ""x/2 ` is ...............
A) `-(1)/(sqrt10)` B) `(3)/(sqrt10)` C) `(1)/(sqrt10)` D) `-(3)/(sqrt10)`

A

`-(1)/(sqrt10)`

B

`(3)/(sqrt10)`

C

`(1)/(sqrt10)`

D

`-(3)/(sqrt10)`

Text Solution

Verified by Experts

The correct Answer is:
A
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