math prog test 3
Find the maximum value of this function:
- −4
- 4
- 2
- −2
Describe the translation in y = cos (x + 1) – 2.
- left 1 unit; down 2 units
- left 1 unit; up 2 units
- right 1 unit; down 2 units
- right 1 unit; up 2 units
Find the value in radians of cos–1 (–0.9).
- 1.6087
- 2.6906
- 0.3717
- no solution
Write this measure in radians: 110°. a.
b.
c. 100 d.
____ 2.
____ 3.
____ 4.
____ 5.
Find the exact value of tan 300°. Use the sum or difference identity. a.
b. c.
d.
−
____ 6.
____ 7.
____ 8.
UseeithertheLawofSinesortheLawofCosines. In Find RS.
- 6.6 in.
- 10.4 in.
- 12.2 in.
- 29.5 in.
,m =78°,m =39°,andTS=19in.
____ 9.
Identify the amplitude and period of this function: y = 4 cos .
a. 4,6 b. 3,6 c. 3,4 d. 4,3
Use the graph above to find the value of y = sin θ for the value 150°.
- −1
- −0.5
- 0.5
- 1
Find the period of this function:
a. 2 b. 4 c. 6 d. 8
____ 10.
isarighttrianglewithm =90°. RS=48,cosR=
;FindcotR.
____ 11.
a. b. c. d.
Find the exact value of cos 22.5° . Use a half-angle identity. a.
b.
c. d.
a. b. c. d.
−
____ 12.
isarighttrianglewithm S=90°. RS=24,cosR=
;FindsinR.
____ 13.
____ 14.
Identify the
- d: all
- d: −2
- d: all
- d: −1
Identify the
a. b. c. d.
domain and range of this function: y = −cos 2θ.
real numbers; r: −1 ≤ y ≤ 1 ≤ x ≤ 2; r: all real numbers real numbers; r: −2 ≤ y ≤ 2 ≤ x ≤ 1; r: all real numbers
amplitude and period of this function: y =
tan (3 )x.
,3 none
because no maximum or minimum value exist; n is an integer,
none because no maximum or minimum value exist;
____ 15.
Identify the amplitude and period of this function: y = 3 sin 5θ.