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if tan ^-1 (( sqrt (1+x^2)-1)/x) = pi/45...

if `tan ^-1 (( sqrt (1+x^2)-1)/x) = pi/45` then:

A

`x=tan 2^@`

B

`x=tan 45^@`

C

`x=tan (1//4)^(@)`

D

`x=tan 8^@`

Text Solution

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The correct Answer is:
D
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