Chpt 5 Test Flashcards
1
Q
Quad one reference angle
A
a
2
Q
Quad two reference angle
A
180-a
3
Q
In unit circle opposite is
A
Y
4
Q
Quad three reference angle
A
a-180
5
Q
Quad four reference angle
A
360-a
6
Q
In unit circle adjacent is
A
X
7
Q
In unit circle hypotenuse is
A
1
r when not in unit circle
8
Q
K=
When given bAC
A
K=(.5b^2(sinA)(sinC))/sinB
9
Q
Heros formula
A
K= square root of
s(s-a)(s-b)(s-c)
10
Q
s=
A
.5(a+b+c)
11
Q
K=
When you are given Abc
A
K=.5bc(sinA)
12
Q
When given bcA
Find a
A
a^2=b^2+c^2-2(b)(c)cosA
13
Q
Sin
A
Y/r
14
Q
Counterclockwise
A
+x
15
Q
Cos
A
X/r
