Trig Review Flashcards
1
Q
sin^2 theta + cos^2 theta =
A
1
2
Q
1 + tan^2(theta) =
A
sec^2(theta)
3
Q
1 + cot^2(theta) =
A
csc^2(theta)
4
Q
sin(-theta) =
A
-sin(theta)
5
Q
cos(-theta) =
A
cos(theta)
6
Q
tan(-theta) =
A
-tan(theta)
7
Q
sin(A+B) =
A
sinAcosB + sinBcosA
8
Q
sin(A-B) =
A
sinAcosB - sinBcosA
9
Q
cos(A+B) =
A
cosAcosB - sinAsinB
10
Q
cos(A-B) =
A
cosAcosB + sinAsinB
11
Q
sin(2theta) =
A
2sin(theta)cos(theta)
12
Q
cos(2theta) =
A
cos^2(theta) - sin^2(theta)
13
Q
tan(theta) =
A
sin(theta)/cos(theta)
14
Q
cot(theta) =
A
cos(theta)/sin(theta)
15
Q
sec(theta) =
A
1/cos(theta)
