Sine and cosine stuff Flashcards
1
Q
Cosine rule
A
A2 = b2 + c2 -2bcCosA
2
Q
Sine rule
A
A/sinA = b/sinB
3
Q
Area of a non right amgled triangle
A
1/2 absinC
4
Q
Sin values
A
1, 0, -1, 0
5
Q
Cos values
A
0, -1, 0, 1
6
Q
A
