Aim: How do we find the sine, cosineand tangent of an angle?

Do Now:1. What are the special numbers we have to remember?

2. Convert 45 o to radians

3. Convert radians to degrees

4. Evaluate the 3 trigonometric functions for θ

θ10

2624

sin θcos θ tan θ

MB434/20/09Lomas

Copy table 5 timesPg 634 #6-14 even

Aim: How do we find the sine, cosineand tangent of an angle?

1

60o

Fill in side lengths

Find the exact values for the 3 trigonometric functions for 60o

MB434/20/09Lomas

Copy table 5 timesPg 634 #6-14 even

Aim: How do we find the sine, cosineand tangent of an angle?

1

45o

Fill in side lengths

Find the exact values for the 3 trigonometric functions for 45o

MB434/20/09Lomas

Copy table 5 timesPg 634 #6-14 even

Aim: How do we find the sine, cosineand tangent of an angle?

1

30o

Fill in side lengths

Find the exact values for the 3 trigonometric functions for 30o

MB434/20/09Lomas

Copy table 5 timesPg 634 #6-14 even

Aim: How do we find the sine, cosineand tangent of an angle?

sin cos tan

30o

45o

60o

radiandegree

MB434/20/09Lomas

Copy table 5 timesPg 634 #6-14 even

Aim: How do we find the sine, cosineand tangent of an angle?

MB4311/5/08Lomas