Unit Circle
What's the radian of a 90deg?
pi/2
What is Sin(theta) on the unit circle?
y/1
y=A sin[B(x - C)] + D ; What is A?
Amplitude
Coordinate points of the graphs y=Sin(theta).
y=Sin(theta) - (0,0),(pi/2,1),(pi,0),(3pi/2,-1),(2pi,0)
Find the identity of Sin(theta), & Cos(theta)?
Sin(theta) - 1/csc(theta)
Cos(theta) - 1/sec(theat)
What's the radian of 270deg?
3pi/2
What is Cos(theta) on the unit circle?
x/1
y=A sin[B(x - C)] + D ; What is D?
Vertical Shift
Coordinate points of the graphs y=Cos(theta).
y=Cos(theta) - (0,1),(pi/2,0),(pi,-1),(3pi/2,0),(2pi,1)
Find the identity of Tan(theta)
What are the radians of a 30deg, 45deg, and 60deg?
30deg - pi/6; 45deg - pi/2; 60deg - pi/3
What is Tan(theta) on the unit circle?
y/x ; X cannot equal 0
y=A sin[B(x - C)] + D ; What is C?
Horizontal (Phase) Shift
Coordinate points of the graphs y=Tan(theta).
y=Tan(theta) - (-pi/4,0)
Find the identity of Csc(theta)?
1/sin(theta)
What are the coordinate points of 3pi/4?
((-sqrt2/2),(sqrt2/2))
What is Sec(theta) on the unit circle?
1/x ; X cannot equal 0
How do you find the period of a sin/cos curve?
2pi/ B
Graph the coordinate points of y=2sin(x-pi/4).
(pi/4,0), (3pi/4,2), (5pi/4,0), (7pi/4,-2), (9pi.4,0)
Find the identity of Sec(theta)?
1/cos(theta)
What are the coordinate points of 5pi/3?
((1/2),(-sqrt3/2))
What is Csc(theta) and Cot(theta) on the unit circle?
Csc(theta) = 1/y; y cannot equal 0
Cot(theta) = x/y; y cannot equal 0
How do you find the period of a Tan Curve?
pi/ B
Graph the coordinate points of y=cos(x+pi/6).
(0,1), (pi/2,0), (pi,-1), (3pi/2,0), (2pi,1)
Find the identity of Cot(theta)?
1/tan(theta)