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MAC 1114 Chapter 7 Review Flashcards | StudBud
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MAC 1114 Chapter 7 Review
MAC 1114 Chapter 7 Review
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Trigonometry/ T. Functions and graph
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Find the exact value of tan θ: If sin θ = √7/4, cos θ = 3/4
√7/3
4√7/7
4/3
3√7/7
2
Convert the angle in radians to degrees-29π/9
-1160π°
-10°
-290°
-580°
3
A right triangle ABC(C is the right angle) Find sin B when b = 7 and c = 10.
10√51/51
√51/10
7/10
7 √51/51
4
Find tan P.
3/4
4/5
4/3
3/5
5
Convert the angle to D° M' S'' form. Round the answer to the nearest second: 75.43°
75°25'54''
75°25'36''
75°25'43''
75°25'48''
6
A point (-3,-2) on the terminal side of angle θ. Find secθ
-3√13/13
-√13/3
2/3
√13/2
7
Write the equation of a sine function given: amplitude 4 and period 5
y = 4 sin (5x)
y = sin (5πx) + 4
y = 5 sin (½πx)
y = 4 sin (2/5)πx
8
Name the quadrant in which the angle θ lies. cos θ < 0, csc θ < 0
III
IV
I
II
9
Find the missing quantity. r = 13.76 cm, θ = 3.5 radians, s = ?
50.2 cm
48.2 cm
49.2 cm
47.2 cm
10
A point (12,16) on the terminal side of angle θ is given. Find the exact value of cosθ
3/5
4/3
4/5
3/4
11
Find the exact value of the expression. tan 25° - sin 25°/cos 25°
25
1
0
undefined
12
If tan
2
θ = 10, find the exact value of sec
2
θ
10
11
20
9
13
Use a calculator to find the approximate value of the expression cot π/12
218.85
3.86
218.98
3.73
14
Convert the angle in degrees to radians Express the answer as multiple of π: 6°
π/60
π/30
π/15
π/18
15
Find the exact value of the expression if θ = 45°. g(θ) = cos θ, Find 8 g(θ).
8 √2
-4√ 2
-8√ 2
4√2
16
Convert the angle to a decimal in degrees. Round the answer to two decimal places: 99°49'11''
99.83°
99.88°
99.78°
99.82°
17
Find the reference angle of -231°
129°
51°
141°
39°
18
Determine period of y = ¾Cos(-8π/7)x
7/4
16π/7
¾
3π/4
19
Find the exact value of csc θ given sec θ = 5/3
3/4
5/4
3/5
4/5
20
Use a coterminal angle to find the exact value of the expression. csc 41π/4
2
2√3/3
√2
√2/2