karmaşık sayılar z1.z2

z1.z2=(-sin160cos70+sin250cos20)+i(sin160cos20+cos70sin250)=-(cos70cos70+sin70sin70)+i(cos70cos20-sin70sin20)=-cos(70-70)+i.cos(70+20)=-cos0+cos90=-1

hs nin soruları

prizma piramit