Week 9 Flashcards
1
Q
Law of Sines
A
sinA/a = sinB/b = sinC/c
2
Q
Law of Cosines
A
c^2 = a^2 + b^2 - 2ab * cosC
*correction to the pythagorean
*applies to a and b as well
*used in SAS/SSS problems
3
Q
law of cosines SAS
A
*look for smallest angle first
4
Q
law of cosines SSS
A
*look for the biggest angle first
