45­45, 30 60 triangles.notebook
April 28, 2017
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 28, 2017
x
y
x
9
45
45
y
6
45
x
2
45­45, 30 60 triangles.notebook
April 28, 2017
45­45­90 triangles
hypotenuse = hypotenuse x
x
30­60­90 Triangles 60
2x
x
30
3
45­45, 30 60 triangles.notebook
April 28, 2017
45
45
y
x
45
45
5
x
4
45­45, 30 60 triangles.notebook
April 28, 2017
Find the exact value of each variable. (No Decimals)
60
60
8
a
5
x
30
y
30
b
5
45­45, 30 60 triangles.notebook
April 28, 2017
Warm up! Use trig to find the missing variable.
x
12
x
10
25
y
5
6
45­45, 30 60 triangles.notebook
April 28, 2017
Find the exact value of each variable. (No Decimals)
x
30
60
y
7
y
60
30
x
7
45­45, 30 60 triangles.notebook
April 28, 2017
Find
sin 45
x
45
x
cos 45
tan 45
8
45­45, 30 60 triangles.notebook
60
x
2x
April 28, 2017
Find
Find
sin 30
sin 60
cos 30 cos 60
tan 30
tan 60
30
9
45­45, 30 60 triangles.notebook
April 28, 2017
10
45­45, 30 60 triangles.notebook
sin
April 28, 2017
cos
tan
0
30
45
60
90
11