Trigonometry Flashcards
(2 cards)
1
Q
cosine rule
A
no circle, 1 triangle split in 2
fine 2 eqn for h squared and equate them
use cos to get rid of x
2
Q
sin rule
A
area of a triangle 3 ways and equate them
cosine rule
no circle, 1 triangle split in 2
fine 2 eqn for h squared and equate them
use cos to get rid of x
sin rule
area of a triangle 3 ways and equate them