exact trig values Flashcards
1
Q
sin 30
A
1/2
2
Q
cosine 30
A
root 3/2
3
Q
sine 45
A
root 2/2
4
Q
cosine 45
A
root 2/2
5
Q
sine 90
A
1
6
Q
cosine 90
A
0
7
Q
sine 0
A
0
8
Q
cosine 0
A
1
9
Q
tan 30
A
1/ root 3
10
Q
tan 45
A
1
11
Q
tan 90
A
undefined
12
Q
tan 60
A
root 3
13
Q
cosine 60
A
1/2
14
Q
sine 60
A
root 3/2
15
Q
tan 0
A
0
16
Q
sine rule (side)
A
a/Sin (A) = b/sin (B) = sin (C)
17
Q
cosine rule (angle)
A
cos(A)=(b^2+c^2-a^2)/2bc
18
Q
Cosine rule (Side)
A
a^2=b^2+c^2-2bc cos A
19
Q
Sine rule angle
A
Sine A / a =Sine B / b = sin C / c
20
Q
area of a triangle
A
1/2ab sin (C)
21
Q
herons formula
A
√s(s - a) (s - b) (s - c)
