General Angles quiz

1) Find sec Î if the terminal side of Î in standard position contains the point (4, -3).

A. -¾

B. -5/3

C. 5/4

D. 4/5

2) Find tan Î if the terminal side of Î in standard position contains the point (-12, 5).

A. -12/13

B. -12/5

C. -5/12

D. 5/12

3) Find the value of cot Πif Πis in standard position has a measure of 180°.

A. 0

B. 1

C. -1

D. undefined

4) Which of the following is the reference angle for 230°?

A. 130°

B 50°

C. 140°

D. 40°

5) Which of the following is the reference angle for -150°?

A. 30°

B. 60°

C. 90°

D. 210°

6) Find the reference angle for the angle .

A.

B

C.

D.

7) If sin Î=-3/5 and the angle is in quadrant IV, what is cot Î?

A. -3/4

B. 3/4

C. 4/3

D. -4/3

8) If csc Î = 3/2 and the angle is in quadrant II, what is sec Î?

A.

B.

C.

D.

9) Miranda and Travis visit an amusement park to ride a skycoaster. After the first few swings, the angle the skycoaster makes with the vertical is modeled by Î=0.4cosÏt, with Î measured in radians and t measured in seconds. Determine the measure of the angle in radians for t = 1.5.

A. 0

B. 0.4

C. 1

D. -0.4

10) The formula gives the distance of a baseball that is hit at an initial velocity of V0 feet per second at an angle of Πwith the ground. If the ball was hit with an initial velocity of 85 feet per second and an angle of 45°, how far was it hit? Round to the nearest tenth.

A. 0 ft.

B. 2.7 ft.

C. 159.7 ft.

D.225.8 ft.