What is the cosine of angle A?
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Transcript of What is the cosine of angle A?
5
12
13
A
B C
What is the cosine of angle A?
5
12
13
A
B C
What is the tangent of angle A?
5
12
13
A
B C
If sin(x) = , then x refers to angle ______
13
5
Use your calculator to find the trigonometric ratio. Round to the nearest hundredths.
cos(76˚)
Use your calculator to find the trigonometric ratio. Round to the nearest hundredths.
sin(8˚)
Use your calculator to find the trigonometric ratio. Round to the nearest hundredths.
tan(82˚)
6.1 in.
41˚X Y
Z
Which trigonometric function would you use to find the length of side XY?
6.1 in.
41˚X Y
Z
What is the length of side XY to the nearest hundredths?
8.7 cm.
20 ˚
Which trigonometric function would you use to find the length of side MN?
L M
N
8.7 cm.
20 ˚
What is the length of side MN to the nearest hundredths?
L M
N
38 ˚
12.6 cmQ
R
S
Which trigonometric function would you use to find the length of side RS?
38 ˚
12.6 cmQ
R
S
What is the length of side RS to the nearest hundredths?
Use a special right triangle to write each trig ratio as an exact answer or simplified fraction.
tan(60˚)
Use a special right triangle to write each trig ratio as an exact answer or simplified fraction.
sin(30˚)
Use a special right triangle to write each trig ratio as an exact answer or simplified fraction.
cos(45˚)
Find the area of the triangle. Round to the nearest hundredths.
10 in.
72 ˚
Find the perimeter of the triangle. Round to the nearest hundredths.
2 m.
24 ˚