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The value of the expression tan(1/2"cos"...

The value of the expression `tan(1/2"cos"^(-1)2/sqrt5)`is

A

`2-sqrt(5)`

B

`sqrt(5)-2`

C

`(sqrt(5)-2)/(2)`

D

`5+sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
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