arcsin(sin 11пи/7)=3x+1 arcctg(ctg(-4))=x+3

Question

arcsin(sin 11пи/7)=3x+1

arcctg(ctg(-4))=x+3

Answer 1

arcsin(sin 11пи/7)=3x+1

(11П)/7=х+3

-х=3-(11П/7)

х=11П/7-3

Ответ:х=11П/7-3

 

arcctg(ctg(-4))=x+3

-4=х+3

х=-7

Ответ:х=-7