Trig Ratios Flashcards
1
Q
Primary Ratios
A
SOHCAHTOA
2
Q
Reciprocal Ratios
A
Cosecant (csc, 1/sin0), Secant (sec, 1/cos0), Cotangent (cot, 1/tan0)
3
Q
The Cast Rule
A
C-Quad4=(cos+), A-quad1=(+), S-quad2=(sin+), T-quad3=(tan+)
4
Q
The x-y-r Definition
A
x^2+y^2=r^2
5
Q
Evaluate if RAA is in special triangles
A
Draw, find RAA, use CAST
6
Q
Evaluate if RAA is not in special triangles
A
use calculator for approximation
7
Q
Evaluate if angle is on an axis
A
use x-y-r definition
8
Q
Solve for o If __o=#
A
RAA=___inverse(#) *use #in (+) if negative