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Sin 8theta -sin 10theta= cot

  1. ProveSin 8theta -sin 10theta= cot 9theta (cos 10theta - cos 8 theta)
    1. answers icon 2 answers
    2. Jessica asked by Jessica
    3. views icon 542 views
  2. Sin 8theta -sin 10theta= cot 9theta (cos 10theta - cos 8 theta)
    1. answers icon 3 answers
    2. Jes asked by Jes
    3. views icon 723 views