trigonometry
1.
b. c. d.
Find the smallest negative angle coterminal with a.
. Use radian measure.
____ 2.
____ 3.
b. c. d.
Find the smallest negative angle coterminal with –160°. Use degree measure.
- –700°
- –520°
- –880°
- –340°
Given a.
and is in Quadrant IV, find
____ 4.
The reference angle of 171° is
- 71°
- 81°
- 9°
- 19°
____ 5.
____ 6.
a. b. c. d.
Given a right triangle where side a = 12 and side b = 16, what does side c = ? Give the result properly rounded off.
- 4
- 11
- 20
- 28
Round off 18436 to two significant digits.
- 18000
- 18400
- 20000
- 18440