1025(а) по Т sin! срочно

Question

1025(а) по Т sin! срочно

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Answer 1

C=180-(60+40)=80    c/sin C=a/ sinA    a=c*sinA/sinC=14*0.866/0.9848=    12.3    c/sinC=b/sinB    b=c*sinB/sinC= 14*0.6428/0.9848=9.1