What is the cosine of angle A?
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Transcript of What is the cosine of angle A?
![Page 1: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/1.jpg)
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A
B C
What is the cosine of angle A?
![Page 2: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/2.jpg)
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A
B C
What is the tangent of angle A?
![Page 3: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/3.jpg)
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A
B C
If sin(x) = , then x refers to angle ______
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![Page 4: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/4.jpg)
Use your calculator to find the trigonometric ratio. Round to the nearest hundredths.
cos(76˚)
![Page 5: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/5.jpg)
Use your calculator to find the trigonometric ratio. Round to the nearest hundredths.
sin(8˚)
![Page 6: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/6.jpg)
Use your calculator to find the trigonometric ratio. Round to the nearest hundredths.
tan(82˚)
![Page 7: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/7.jpg)
6.1 in.
41˚X Y
Z
Which trigonometric function would you use to find the length of side XY?
![Page 8: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/8.jpg)
6.1 in.
41˚X Y
Z
What is the length of side XY to the nearest hundredths?
![Page 9: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/9.jpg)
8.7 cm.
20 ˚
Which trigonometric function would you use to find the length of side MN?
L M
N
![Page 10: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/10.jpg)
8.7 cm.
20 ˚
What is the length of side MN to the nearest hundredths?
L M
N
![Page 11: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/11.jpg)
38 ˚
12.6 cmQ
R
S
Which trigonometric function would you use to find the length of side RS?
![Page 12: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/12.jpg)
38 ˚
12.6 cmQ
R
S
What is the length of side RS to the nearest hundredths?
![Page 13: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/13.jpg)
Use a special right triangle to write each trig ratio as an exact answer or simplified fraction.
tan(60˚)
![Page 14: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/14.jpg)
Use a special right triangle to write each trig ratio as an exact answer or simplified fraction.
sin(30˚)
![Page 15: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/15.jpg)
Use a special right triangle to write each trig ratio as an exact answer or simplified fraction.
cos(45˚)
![Page 16: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/16.jpg)
Find the area of the triangle. Round to the nearest hundredths.
10 in.
72 ˚
![Page 17: What is the cosine of angle A?](https://reader036.fdocuments.in/reader036/viewer/2022082422/568132d8550346895d999d69/html5/thumbnails/17.jpg)
Find the perimeter of the triangle. Round to the nearest hundredths.
2 m.
24 ˚