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Chapter 13 Review (Part 2) Flashcards | StudBud
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Chapter 13 Review (Part 2)
Chapter 13 Review (Part 2)
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Trigonometry review includes inverse trigonometric functions, Law of Sines & Law of Cosines.
Flashcards
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Questions
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Answers
1
If cos θ = -5/13 in Quadrant III, find the exact value of sin θ.
-12/13
1
12/13
5/13
2
Use the Law of Cosines. Find length x to the nearest tenth.
9.4
13.1
11.6
10.5
3
Use the Law of Sines. Find the measure x to the nearest tenth.
29.4
67.1
44.3
9
4
Evaluate the expression without a calculator. Give your answer in radians. cos
-1
(-√2/2)
3π/4
5π/4
π/4
7π/4
5
Find the area of the triangle.
5.7 cm2
17.7 cm2
35.4 cm2
9.3 cm2
6
Evaluate the expression without a calculator. Give your answer in radians. tan
-1
(-√3)
4π/3
-π/3
-π/6
π/3
7
In ΔABC, a = 7, b = 5 and c = 10. Find angle∠A. (Round to the nearest tenth)
53.7°
19.2°
81.2°
40.5°
8
Find two values of θ, 0≤θ<2π, that satisfy the following equation. sin
-1
θ = (-1/2)
π/3 and 5π/3
5π/6 and 7π/6
π/6 and 5π/6
7π/6 and 11π/6
9
Find the area of the triangle with sides; a = 3 ft, b = 4 ft c = 6 ft (Round to two decimals)
5.33 ft2
3.81 ft2
8.52 ft2
6.00 ft2
10
What is the next line of lyrics?
We ain't never gettin' older
Gettin' tougher like a soldier
I'm always your beholder
In the mountains where it's colder
11
Evaluate the expression without a calculator. Give your answer in degrees. sin
-1
(1/2)
45°
150°
30°
120°
12
Use the Law of Sines. Find the measure x to the nearest tenth.
15.7
9.8
6
12.4
13
Complete the next line of lyrics
But I got you baby
But you are all I need
Who loves you more than me
Let's dance all night maybe
