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Trig Review Flashcards | StudBud
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Trig Review
Trig Review
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1
Find angle A using any inverse Trig function
∠A= 53.1
∠A= 46.7
∠A= 32.2
∠A= 30
2
Find the amplitude and period
A = 1/2 P = 6π
A = 1 P = 6π
A = 1/2 P = π/6
A = 1 P = π/6
3
Which trig function would you use to solve this problem?
cosine
sine
tangent
4
Find angle A using Law of Sines.
24.41o
38.17o
0.04o
25.23o
5
What trig functions are positive in quadrants 3?
sec
sin
tan
csc
6
Find the unknown angle (
a
) using trigonometry
a = 40.1
a = 49.9
a = 0.02
a = 0.01
7
You use law of cosines when...
You have SSS or SAS.
You have SAS or ASA
You have SSA.
When you have SAS or SSA.
8
Which quadrant of the unit circle contains (√3/2 , -1/2) ?
Quadrant 4
Quadrant 1
Quadrant 3
Quadrant 2
9
The parent function of the sinusoidal graph below is ___________.
h(x) = tan x
f(x) = sin x
none of the above
g(x) = cos x
10
Using the Law of Sines, find Angle A.
15°
9°
22°
20°
11
Evaluate the trig function.
undefined
1
0
-1
12
Use Law of Cosines to:
10.4
13.6
5.2
15.1
13
Convert degrees to radians:
12π/ 11
11π/ 12
I give up
11π/ 24
14
What is the sine of \frac{3\pi}{2}?
1/2
-1
1
0
15
Evaluate the trig function.
1
undefined
-1
0
16
Find angle A using law of cosine
A≈ 41.7°
A≈ 48.7°
A≈ 30°
A≈ 21.9°
17
Where on the unit circle is the (√2/2, √2/2) in radians?
π/6
π/5
π/4
π/2
18
Secant is the trigonometric reciprocal of _____________.
Cosine
Sine
Cotangent
Tangent
19
What is the height of this right triangle?
3
5
7
8
20
Find a sinusoidal function for the graph shown.
y=3\cos\frac{\pi}{6}x+2
y=5\cos6x+3
y=2\sin6x+3
y=2\cos6x+3
21
Using the Law of Sines, find Angle C.
59.4º
45.2º
53.8º
49.1º
22
Sine or Cosine graph?
Cosine
Sine
23
Find the Exact Value of the Trig Function
A
D
C
B
24
VERIFY THE TRIG IDENTITY
0
CSC X
TAN X
1
25
Evaluate the trig function.
-√(2)/2
√(3)/2
√(2)/2
1/2
26
Trig Word Problem
236.4 ft
234.4 ft
184.7 ft
185.3 ft
27
What is cosine of \frac{\pi}{6}?
\frac{\sqrt{3}}{2}
\frac{1}{2}
\frac{\sqrt{2}}{2}
0
28
Which ratio is (y-coordinate / radius) in the unit circle?
cscθ
cosθ
secθ
sinθ
29
Angles in standard form that are negative rotate _______.
in a bad mood
counterclockwise
slowly
clockwise
30
Evaluate the trig function.
-2
1/2
2√(3)/3
2
31
Solve the angle of elevation problem.
9.6 ft.
6.6
5.4 ft.
11.9 ft.
