Trigonometry Flashcards
1
Q
What are the coordinates and angle in degrees for π / 3 on a unit circle?
A
2
Q
tan(-θ)=
A
-tan(θ)
3
Q
sin2(θ)= in terms of 2θ
A
1/2(1-cos(2θ))
4
Q
cos(2θ)=
A
cos2(θ) - sin2(θ)
5
Q
sin(θ+?)=sin(θ)
A
2π n
6
Q
cos(-θ)=
A
cos(θ)
7
Q
cos2(θ)= in terms of 2θ
A
1/2(1+cos(2θ))
8
Q
tan(θ+?)=tan(θ)
A
π n
9
Q
sin(-θ)=
A
-sin(θ)
10
Q
sin(2θ) =
A
2sin(θ)cos(θ)
11
Q
What are the coordinates and angle in degrees for π / 2 on a unit circle?
A
12
Q
What are the coordinates and angle in degrees for π / 4 on a unit circle?
A
13
Q
cos(θ+?)=cos(θ)
A
2π n
14
Q
What are the coordinates and angle in degrees for π / 6 on a unit circle?
A
