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if 25 cos ceta =

  1. Given that sin^2ceta/1-cos ceta -sin^2ceta/1+cosceta=1 where 0degress is less than or equal to ceta and less than or equal to
    1. answers icon 2 answers
    2. Padmore asked by Padmore
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  2. if 25 cos ceta = 7 where ceta belongs to ] 3 pi/2 , 2 pi [ , then tan ceta =
    1. answers icon 1 answer
    2. mahmoud asked by mahmoud
    3. views icon 43 views