Matemática
- Funções Trigonométricas e Funções Trigonométricas Inversas
- Prova de 2010
- UNICENTRO
- Dificuldade: Médio
- Código da questão: D46AFD9D-B0
Prova
227 questões da prova de 2010 de Universidade Estadual do Centro-Oeste (UNICENTRO), em Matemática, Literatura, Inglês. Cada uma tem página própria, com enunciado completo, alternativas e gabarito — e dá para responder na própria página.
Considerando-se as matrizes
e MN = P, pode-se afirmar que
o valor do determinante de M é


Disponível em: <http://commontragedies.files.wordpress.com/2007/12/mad-as-hell.jpg>Acesso em: 10 jun. 2010.
The man in this cartoon is angry because

BLACK, Richard. Arctic warmest in two millennia. Disponível em:<www.bbc.co.uk/ worldservice/learningenglish/language/wordsinthenews/2009/09/090904_witn_arctic.shtml>. Acesso em: 10 jun. 2010.

BLACK, Richard. Arctic warmest in two millennia. Disponível em:<www.bbc.co.uk/ worldservice/learningenglish/language/wordsinthenews/2009/09/090904_witn_arctic.shtml>. Acesso em: 10 jun. 2010.

BLACK, Richard. Arctic warmest in two millennia. Disponível em:<www.bbc.co.uk/ worldservice/learningenglish/language/wordsinthenews/2009/09/090904_witn_arctic.shtml>. Acesso em: 10 jun. 2010.
Fill in the parentheses with T (True) or F (False).
The text has answers to the following questions:
( ) Where was the present research published?
( ) How many scientists took part in the present expedition?
( ) What are Arctic high temperatures an indication of?
( ) When did the scientists produce evidence of the warming phenomenon in the Arctic?
According to the text, the correct sequence, from top to bottom,

COLLYNS, Dan. Peruvian mummy found. Disponível em: <www.bbc.co.uk/worldservice/learningenglish/language/wordsinthenews/2009/09/090916_witn_peru_mummy.shtm>. Acesso em: 10 jun. 2010.
“contemporary with the better-known Chavin and Cupisnique cultures.” (l. 24-25)
The word “better” in this sentence is the irregular degree of