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30^(@)=(pi)/180xx30=(pi^(c))/6...

`30^(@)=(pi)/180xx30=(pi^(c))/6`

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Knowledge Check

  • (2 tan 30^(@))/( 1-tan ^(2) 30^(@)) =

    A
    `cos 60^(@) `
    B
    ` sin 60^(@) `
    C
    ` tan 60^(@) `
    D
    ` sin 30 ^(@) `

  • The value of ((30),(0))((30),(10))+((30),(1))((30),(11))+((30),(2))((30),(12))+ . . .((30),(20))((30),(30)) is:

    A
    `((60),(20))`
    B
    `((30),(10))`
    C
    `((30),(20))`
    D
    1

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