Chapter 5.1, 5.2, 6.1, 6.2 Test Flashcards
1
Q
SinT
A
y
2
Q
CosT
A
x
3
Q
TanT
A
y/x
4
Q
CscT
A
1/y
5
Q
SecT
A
1/x
6
Q
cotT
A
1/(y/x)
7
Q
0 degrees
A
(0), (1,0)
8
Q
30 degrees
A
(pi/6), (root3/2, 1/2)
9
Q
45 degrees
A
(pi/4), (root2/2, root2/2)
10
Q
60 degrees
A
(pi/3), (1/2, root3/2)
11
Q
90 degrees
A
(pi/2), (0,1)
12
Q
sin(-T)
A
-sinT (odd)
13
Q
cos(-T)
A
cosT (even)
14
Q
tan(-T)
A
-tanT (odd)
15
Q
csc(-T)
A
-cscT (odd)
16
Q
cot(-T)
A
-cotT (odd)
17
Q
sec(-T)
A
secT (even)
18
Q
pi Radians
A
180 degrees
19
Q
2pi Radians
A
360 degrees
20
Q
pi/2 Radians
A
90 degrees
21
Q
To convert degrees to radians:
A
multiply by 180/pi
22
Q
To convert radians to degrees:
A
multiply by pi/180
23
Q
Length of a circular Arc
A
(angle/2pi)x(circumference of circle) OR (angle)x(radius)
24
Q
Area of a Sector
A
1/2(radius^2)(angle)
25
Angular Speed
angle/time
26
Linear Speed
arc length/time
27
Sin(angle)
opposite/hypotenuse
28
Cos(angle)
adjacent/hypotenuse
29
Tan(angle)
opposite/adjacent
30
Cot(angle)
adjacent/opposite
31
Csc(angle)
hypotenuse/opposite
32
Sec(angle)
hypotenuse/adjacent
33
Angles: (45, 45, 90) Sides:
(1, 1, root2)
34
Angles: (30, 60, 90) Sides:
(root3, 1, 2)
