September 2021 1 9 Report

Спростыть Вираз

sin⁴+sin³xcos²x+cos²x

 

 

cos⁴x+sin³xcos²x+sin²x

 

Скоротіть дріб 

tgx+ctgx/(tg²x+1)(ctg²x+1)

 

  tgx-ctgx/1/cosx-1/sinx

 

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