Trig Flashcards
1
Q
What is the cosine side rule?
A
c^2=a^2+b^2-2abcosC
2
Q
What is the cosine angle rule?
A
cosC=(a^2+b^2-c^2)/(2ab)
3
Q
What is the formula for the area of a non right triangle?
A
1/2absinC
4
Q
What is the sine rule?
A
a/sinA=b/sinB=c/sinC