Cevap :
Cevap:
tan(a+b) =tana+tanb/1-tana*tanb
Bı formülden
tanx+tan60/1-tanx*tan60.. (tan60=V3/2:1/2=V3)
(2+V3)/(1-2V3)
=(1+2V3)*(2+V3)/-11
=-(5V3+8)/11
Cevap:
tan(a+b) =tana+tanb/1-tana*tanb
Bı formülden
tanx+tan60/1-tanx*tan60.. (tan60=V3/2:1/2=V3)
(2+V3)/(1-2V3)
=(1+2V3)*(2+V3)/-11
=-(5V3+8)/11