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If tan theta = -1/sqrt(5) and theta lies...

If `tan theta = -1/sqrt(5)` and `theta` lies in the fourth quadrant, then: `cos theta`=

A

`sqrt(5)/sqrt(6)`

B

`2/sqrt(6)`

C

`1/2`

D

`1/sqrt(6)`

Text Solution

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The correct Answer is:
A
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