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    Question

    if a sin 45 ╦Ъ = b cosec

    60 ╦Ъ then find the value of aтБ┤/bтБ┤
    A 63/13 Correct Answer Incorrect Answer
    B 64/9 Correct Answer Incorrect Answer
    C 65/9 Correct Answer Incorrect Answer
    D 74/5 Correct Answer Incorrect Answer

    Solution

    a sin 45 ╦Ъ = b cosec 60 ╦Ъ or a x (1/√2) = b x (2/√3)`` or a/b = √2 x (2/√3) `` so, (a/b)тБ┤ = (√2 x (2/√3) )тБ┤ = 16 x (4/9) = 64/9

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