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4 July, 20:25

If sin (theta) = - 15/17 ... what is cos (theta), tan (theta), csc (theta), sec (theta) and cot (theta) ?

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  1. 4 July, 20:40
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    cot (theta) sin (theta) = - 15/17

    cos^2 (theta), = 1-sin^2 (theta)

    =1 - (15/17)

    =1-225/289

    289-225/289

    =64/289

    =8/17

    sec (theta) = inverse of cos=17/8

    tan (theta) = sin (theta) / cos (theta),

    -15/17 divided by 8/17

    =-15/8

    cot (thta) = - 8/15
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