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Let a=60 and b=300. Then cos(a)=cos(60)=0.5 and cos(b)=cos(300)=0.5, therefore cos(a)=cos(b). Then sin(a)=sin(60)=sqrt(3)/2 and sin(b)=sin(300)=-sqrt(3)/2, therefore sin(a)=sin(b) is incorrect. Therefore we ...

This definition identifies the characteristics required for good mental health, and suggests that the further an individual is from this ideal, the more likely they are to be classified as abnormal. Jahoda i...

“Lord of the Flies”, a novel written by William Golding, tells the story of boys who survived on an island after the plane’s crash. After the accident, the competition between two main characters, Ralph and ...

Die Grundschule in Polen ist länger als die in Deutschland: sie dauert 9 Jahre und in Deutschland 4 Jahre. Wenn das Kind 12 Jahre alt ist, muss es wählen, ob es auf das Gymnasium, die Hauptschule oder die Re...

There are some key features authoritarian form of government: a charismatic, convincing and promising leader, state’s control over the whole society, dictatorship, propaganda, ideology and only one party in ...