This topic contains 0 replies, has 0 voices, and was last updated by  EduGorilla 1 year, 11 months ago.

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     EduGorilla 
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    Select Question Language :


    cos-1  + tan-1  is equal to

    Options :-

    1. tan-1 (27/11)
    2. sin-1(11/27)       
    3. cos-1 (11/27)
    4. None of these
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