Question

Will give brainliest for right answers please help
1. Which quadrant contains -11pi/18 and what is the reference angle?
A) Quadrant 2, 7pi/18
B) Quadrant 3, 7pi/18
C) Quadrant 2, 11pi/18
D) Quadrant 3, 11pi/18
2. Which of the following angles as a reference angle of 30°?
A) 120°
B) 150°
C) 240°
D) 315°
3. Find tan, given that sin = -4/5 and cos > 0
A) -5/3
B) -4/3
C) 3/5
D) 5/4
4. Suppose x is an angle in standard position with cos > 0. In which quadrant(s) could the terminal side of x lie? Select all that apply.
A) Quadrant 1
B) Quadrant 2
C) Quadrant 3
D) Quadrant 4
5. Which of the following trigonometric ratios has a value that is undefined?
A) cot 2
B) sec 3pi/2
C) tan pi
D) csc pi/2

Answer 1

1. A
2. B
3. B
4. A
5. C

Answer 2

Answer: I just took the test and got 100%

1. (B) III, 7pi/18

2. (B) 150*

3. (B) -4/3

4. (A)   (D)

5. (B) sec3pi/2

These are 100%, feel free to mark as brainliest :)