45­45, 30 60 triangles.notebook
April 20, 2015
Warm Up
Quadratic Function in Vertex Form
Vertex (h,k)
Write the quadratic function in vertex form by completing the square, then identify the vertex.
1
45­45, 30 60 triangles.notebook
April 20, 2015
y
x
9
x
45
45
y
6
45
x
2
45­45, 30 60 triangles.notebook
April 20, 2015
45­45­90 triangles
hypotenuse = hypotenuse x
x
3
45­45, 30 60 triangles.notebook
April 20, 2015
30­60­90 Triangles 60
x
2x
30
4
45­45, 30 60 triangles.notebook
April 20, 2015
60
60
8
a
5
x
30
y
30
b
5
45­45, 30 60 triangles.notebook
April 20, 2015
x
30
60
y
7
y
60
30
x
6
45­45, 30 60 triangles.notebook
April 20, 2015
Find
sin 45
x
45
x
cos 45
tan 45
7
45­45, 30 60 triangles.notebook
60
x
2x
April 20, 2015
Find
Find
sin 30
sin 60
cos 30 cos 60
tan 30
tan 60
30
8
45­45, 30 60 triangles.notebook
April 20, 2015
9