Name:______________________________
Date: ___________________ Period:______
Trigonometry Worksheet
The field of mathematics called Trigonometry, is the study of right triangles.
1.
The three sides of the triangles are referred to as Hypotenuse, Adjacent, and Opposite.
Label each side of each triangle using angle A as your reference.
B
A
2.
A
C
C
C
B
A
Use this triangle to find the sine, cosine, and tangent of angle A. Repeat for angle B.
Sine A =
13
Cosine A =
Tangent A =
A
Sine B =
5
B
Cosine B =
Tangent B =
12
3.
B
C
Use this triangle and what you know about trigonometry to find the missing sides and
angles.
C
A
9
B
62°
Page
of
side AC =
side AB =
angle A =
Name:______________________________
Date: ___________________ Period:______
4.
Use this triangle and what you know about trigonometry to find the missing sides land and
angles.
B
C
16
5
angle B =36°
side BC =
angle A =
A
5.
If this airplane is 2000 feet high and uses 24 degree angle of descent (angle A) will it land
at the end of the runway which is 5000 feet in front of it?
C
2000 ft.
B
24˚
B
5000 ft.
Page
of
A