#### christina18

##### New member

- Joined
- Apr 3, 2006

- Messages
- 26

1. The exact trig function value with rational denominator for csc 45 degrees is:

a. radical (2)

b. 1

c. 2 radical (3)

d. 1/2

*choice d

2. Using a calculator find the value of cot (-414degrees) to four decimal places.

a. -0.7265

b. -9.5143

c. -1.3764

d. -2.2460

*choice b

3. the cofunction of sin 28degrees is:

a. cos 152 degrees

b. cos 28 degrees

c. cos 62 degrees

d. csc 62 degrees

*choice a

4. find the measures of two angles, one positive and one negative, that are coterminal with the angle 28 degrees

a. 388 degrees; 152 degrees

b. 388 degrees; -332 degrees

c. 208 degrees; -152 degrees

d. 118 degrees; -62 degrees

*choice c