Sine = __/__
y/r (y over r)
Co-secant = __/__
r/y (r over y)
Cosine = __/__
x/r (x over r)
Secant = __/__
r/x (r over x)
Tangent = __/__
y/x (y over x)
Co-tangent = __/__
x/y (x over y)
In quadrant I of the unit circle, x is ___________ and y is __________
Positive and Positive
In quadrant II of the unit circle, x is ___________ and y is __________
X is negative and y is positive
In quadrant III of the unit circle, x is ___________ and y is __________
Negative and Negative
In quadrant IV of the unit circle, x is ___________ and y is __________
X is positive and y is negative
The positive functions in quadrant I are ______
All functions
The positive functions in quadrant II are ____
Sine and co-secant
The positive functions in quadrant III are _______
Tangent and co-tangent
The positive functions in quadrant IV are _____
Cosine and secant
