1. In which quadrant does θ lie given that sinθ>0 and cosθ<0? Quadrant I

Quadrant II

Quadrant III

Quadrant IV

2. What is the exact value of cos(5π3)?

−12

12

3√2

−3√2

Find the solutions for a triangle with a =16, c =12, and b = 63º

Which of the following statements is true? a. the irrational number system is not closed under multiplication, because the product of two irrational numbers is always a rational number. b. the irrational number system is not closed under multiplication, because the product of two irrational numbers is not always an irrational number. c. the irrational number system is closed under multiplication, because the product of two irrational numbers is always an irrational number. d. the irrational number system is closed under multiplication, because the product of two irrational numbers is always a rational numbers. reset submit

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2