1. How many radians are in a circle? a. 360 b. 180 C. TT d. 21 2. Which of the following radian measures is the largest? 12TE b. 17 C. d. T 3. Which of the following is not a primary trigonometric ratio of 47 a. b. NI C. -V3 d. v3 4. Which of these is a possible solution for secx + 2 - 0 on the interval [0,27]? a. x = - b. x = 3 c. x = d. x = 1 5. Given an equation y = -2(sin (2 (x -") ) + 3, which of the following transformations is correct? a. There is a reflection on the y-axis c. There is a vertical stretch by factor of 2 b. There is a horizontal stretch by factor of 2 d. There is a shift up 3 units 6. For what values of x is the instantaneous rate of change of the graph y = sinx equal to 0? a. 0 and - b. - and c. # and It d. 0 and n 7. A population p, of bears varies according to p(t) - 250 + 30cost, where t, is the time in years. During whi the following intervals is the population increasing? a. 0