1. Trigonometry Review

2. Trigonometry is a set of tools that
help determine the measures of a
right triangle (sides and angles).

3. We are going to look at 3 of the
Trig Tools: Sine, Cosine, and
Tangent.

4. B hyp
ote
n use
C A
sine deals with an angles relationship with
the opposite side and the hypotenuse.
sinA = O/H
sinB = O/H

5. B hyp
ote
n use
C A
Cosine deals with an angles relationship
with the adjacent side and the hypotenuse.
cosA = A/H
cosB = A/H

6. B hyp
ote
n use
C A
Tangent deals with an angles relationship
with the opposite side and the adjacent
side.
tanA = O/A
tanB = O/A

7. B
c
8
48°
A
C b
A = 48° a=8
B=? b=?
C=? c=?

8. B
c
8
48°
A
C b

9. B
8
48°
A
C b

10. B
8
48°
A
C

11. B
c
8
48°
A
C b
A = 48° a=8
B=? b=?
C=? c=?