Question

Во Вложении!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

87f7b4e85f506047b8b551443ae2e80d.docx

Answer 1

1-cos^(2)t=sin^(2)t 
 1-sin^(2)t=cos^(2)t
  sin^(2)t\cos^(2) t=tg^(2) t

Answer 2

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