M law of sine/cosine Flashcards Preview

11th grade > M law of sine/cosine > Flashcards

Flashcards in M law of sine/cosine Deck (12):
1

law of cosine

a^ = b^+c^ - 2bc * cosA

2

case 1

a

3

case 1
a=bsinA

1 solution

4

case 1
a>bsinA

2 solutions

5

case 1
a

no solutions

6

case 2

a >_ b

1 solution

7

case 3

angle A is obtuse

8

case 3
a

zero solution

9

Finding area of triangle

.5absinC

9

Finding area of triangle

.5absinC

10

Heron's formula s

.5(a+b+c)

11

Herron formula finding area

[s(s-a)(s-b)(s-c)