what is the cosine of angle a?

17
5 12 13 A B C What is the cosine of angle A?

Upload: kamal-rosario

Post on 02-Jan-2016

18 views

Category:

Documents


4 download

DESCRIPTION

A. 13. 5. C. B. 12. What is the cosine of angle A?. A. 13. 5. C. B. 12. What is the tangent of angle A?. A. 13. 5. C. B. 12. If sin(x) = , then x refers to angle ______. Use your calculator to find the trigonometric ratio. Round to the nearest hundredths. cos (76˚). - PowerPoint PPT Presentation

TRANSCRIPT

Page 1: What is the cosine of angle A?

5

12

13

A

B C

What is the cosine of angle A?

Page 2: What is the cosine of angle A?

5

12

13

A

B C

What is the tangent of angle A?

Page 3: What is the cosine of angle A?

5

12

13

A

B C

If sin(x) = , then x refers to angle ______

13

5

Page 4: What is the cosine of angle A?

Use your calculator to find the trigonometric ratio. Round to the nearest hundredths.

cos(76˚)

Page 5: What is the cosine of angle A?

Use your calculator to find the trigonometric ratio. Round to the nearest hundredths.

sin(8˚)

Page 6: What is the cosine of angle A?

Use your calculator to find the trigonometric ratio. Round to the nearest hundredths.

tan(82˚)

Page 7: What is the cosine of angle A?

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?

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?

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?

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?

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?

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?

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?

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?

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?

Find the area of the triangle. Round to the nearest hundredths.

10 in.

72 ˚

Page 17: What is the cosine of angle A?

Find the perimeter of the triangle. Round to the nearest hundredths.

2 m.

24 ˚