Exam 2 Flashcards
1
Q
Tanθ = ?/?
A
sinθ/cosθ
2
Q
Cotθ =
A
cosθ/sinθ or 1/Tanθ
3
Q
sin^2θ + cos^2θ =
A
1
4
Q
sec^2θ - tan^2θ =
A
1
5
Q
csc^2θ - cot^2θ =
A
1
6
Q
pi/2 radians =
A
90 degrees
7
Q
1/sin
A
csc
8
Q
1/cos
A
sec
9
Q
1/tan
A
cot
10
Q
sinθ= 1/?
A
1/cscθ
11
Q
cosθ = 1/
A
1/secθ
12
Q
tanθ= 1/?
A
1/cotθ
13
Q
sin(-θ)
A
-sinθ
14
Q
tan(-θ)
A
-tanθ
15
Q
csc(-θ)
A
-cscθ
16
Q
cos(-θ)
A
cosθ
17
Q
cot(-θ)
A
-cotθ
18
Q
sec(-θ)
A
secθ
19
Q
For the unit circle Q1 is___ Q2 is ___ Q3 is ___ and Q4 is ____
A
+,+ - + - - +-
20
Q
Reference angle formula Q1
A
RA= angle itself
21
Q
Reference angle formula Q2
A
RA = 180 degrees - angle
22
Q
Reference angle formula Q3
A
RA= angle - 180 degrees
23
Q
Reference angle formula Q4
A
RA= 360 degrees - angle
