6) Determine EMBED Equation.3 sabendo que EMBED Equation.3 e EMBED Equation.3 .

7) Calcule o valor de: Cos 510 + Sen300 -Tg585 -Cos90.

8) Se EMBED Equation.3 e EMBED Equation.3 , qual o valor de EMBED Equation.3 ?

9) Calcule o valor das expresses.

a) EMBED Equation.3

c) EMBED Equation.3

Exerccios

Reduao de

Quadrante

1 ANO M

MDIO

1) Calcule a 1 determinao de cada arco e indique em que quadrante est sua extremidade:

a) -1395: b) EMBED Equation.3

2)Calcule o seno, cosseno e a tangente dos ngulos abaixo:

a) 405: b) 840:

c) 1290: d) 1740:

e) EMBED Equation.3 : f) EMBED Equation.3 :

g) EMBED Equation.3 : h) EMBED Equation.3 :

3) Se EMBED Equation.3 e EMBED Equation.3 < ( < 2(, calcule EMBED Equation.3 e EMBED Equation.3 .

4) Sabendo que EMBED Equation.3 e EMBED Equation.3 , calcule EMBED Equation.3

5) Resolva as equaes indicando a soluo completa (incluindo os arcos cngruos).

a) EMBED Equation.3

b) EMBED Equation.3

COLGIO JOS DE ALENCAR

Seu futuro comea aqui

Aluno (a):_____________________________________________ N.______

Professor (a) : Renato Barros DATA:__/___/_______

Total de Escores: Escores Obtidos: _____ NOTA: __________

Rua Londrina, 1361. Granja Portugal. Fone: (85) 3259.320

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