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(2 tan 30 ^@ ) /( 1 + tan ^ 2 30 ^@ ...

` (2 tan 30 ^@ ) /( 1 + tan ^ 2 30 ^@ ) `

A

` sin 60 ^@ `

B

` cos 60 ^@ `

C

` tan 60 ^@ `

D

` sin 30 ^@ `

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The value of (2tan30^(@))/(1+tan^(2)30^(@)) is :

    A
    `sin60^(@)`
    B
    `cos60^(@)`
    C
    `tan60^(@)`
    D
    `sin30^(@)`

  • ( 1-tan ^(2) 45^(@) )/( 1+tan ^(2) 45^(@)) =

    A
    `tan 90 ^(@) `
    B
    ` 1`
    C
    `sin 45^(@) `
    D
    `0`

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