1.Opener a)Solve all three: b)Solve for b:

1.Openera) Solve all three:

b) Solve for b:

c) What is the only fruit that grows its seeds on the outside?

22° 22°

1521

14 b

2. TrigonometrySine, Cosine, and Tangent

34°

hypotenus

e

opposite

adjacent

2. TrigonometrySine, Cosine, and Tangent

34°

hypotenus

e

opposite

adjacent

2. TrigonometrySine, Cosine, and Tangent

34°

hypotenus

e

opposite

adjacent

opposite

hypotenuse

= sine

adjacent

hypotenuse

= cosine

opposite

adjacent= tangent

2. TrigonometryMemory Tool.

SOHCAHTOA

2. TrigonometryFind all the trig functions.

34°

14.28

21.17

25.54

.6745

o

a=

a

h= .828

9

tan(34°) =

cos(34°) =

sin(34°) =o

h= .559

1

1. Sine, Cosine, or Tangent?

14

6

2. Trigonometry

sine

2. Sine, Cosine, or Tangent?

10

6

2. Trigonometry

cosine

3. Sine, Cosine, or Tangent?

17

7

2. Trigonometry

cosine

4. Sine, Cosine, or Tangent?

15

5

2. Trigonometry

tangent

5. Sine, Cosine, or Tangent?

6

7

2. Trigonometry

tangent

6. Sine, Cosine, or Tangent?

4 10

2. Trigonometry

cosine

7. Sine, Cosine, or Tangent?

9

13

2. Trigonometry

sine

2. Trigonometry

2. TrigonometrySolve for x.

25.54

72°

x

2. TrigonometrySolve for x.

13x

24

2.Trigonometry a) Do these triangles involve sine, cosine, or tangent?

b) Pick two and solve for x.

c) What is the only mammal that can’t jump?

22°

x

14

x32

27

x 5

40

cosine sine tangentx = 15.1 x = 57.5° x = 7.1°