Y1CH9 Trigonometric Ratios Flashcards
1
Q
What is the cosine rule
A
a^2 = b^2 + c^2 - 2bc cosA
2
Q
List trigonometry
A
SOH CAH TOA
3
Q
What is the sin rule?
A
a/sinA = b/sinB
4
Q
Area of a triangle
A
1/2 ab sinC
Does not need to be a right angled triangle
5
Q
Where is tan graphs asymptotes
A
-90, 90, 270
6
Q
What does Cos(x-90) look like
A
Shift 90 degrees to right
7
Q
A