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cosec 60^@. Sec 60^@=……….....

`cosec 60^@. Sec 60^@`=………..

A

`1/2`

B

`sqrt 3/4`

C

`4/3`

D

`4/ sqrt 3`

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Knowledge Check

  • sqrt(2)* " cosec " 20^(@) sec 20^(@)=

    A
    2
    B
    `2 sin 20^(@)* " cosec " 40^(@) `
    C
    `4`
    D
    `4 sin 45^(@)* " cosec " 40^(@)`

  • sqrt3"cosec"20^(@) - sec20^@ =

    A
    2
    B
    3
    C
    1
    D
    4

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