1) Which of the following angles are coterminal to=pi/2?

Select all that are true.

1pi/2

11pi/2

3pi/2

11pi/2

9pi/2

3pi/2

9pi/2

7pi/2

9pi/2

5pi/2

2) Convert the following angles from degrees into radians. For the exact value, enter the reduced fraction form and use "pi" for. For the estimated answer, enter to 2 decimal places.

(a)=20

-estimated value:

(b)=145

-estimated value:

(c)=350

-estimated value: