Question

comparati nr 8 sin 60 de grade si 12ctg 60 de grade

Answer 1

Sin 60 grade=Radical din3/2, ctg 60 grsde=rafical din 3/3=>8*rafical din3/2=4 radical din3 si12*ctg60=12* radical din 3/3=4 radical din 3 => sunt egale

Answer 2

din 60°=√3/2
ctg 60°=√3/3=>8×√3/4
=4√3
12×ctg 60=12×√3/3=4√3