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If sin A = (336)/(625) " where " 450^(@...

If ` sin A = (336)/(625) " where " 450^(@) lt A lt 540^(@) , " then " sin"(A)/(4)=`

Text Solution

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The correct Answer is:
`4/5`
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Knowledge Check

  • If 450^(@) lt A lt 540^(@), sin A = 3//5 , then cos A//2=

    A
    `3//sqrt(10)`
    B
    `-3//sqrt(10)`
    C
    `1/sqrt(10)`
    D
    `-1//sqrt(10)`

  • If cos A =-3//5 , sin B=7//25 and 90^(@) lt A lt 180^@,0^(@) lt B lt 90^(@) , "then " tan (A+B)=

    A
    `3//4`
    B
    `-3//4`
    C
    `3//5`
    D
    `-3//5`

  • If sintheta=12/13 and 450^(@)ltthetalt540^(@) then "sin"theta/2=

    A
    `2/sqrt13`
    B
    `3/sqrt13`
    C
    `-3/sqrt13`
    D
    `-2/sqrt13`

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