reference angles
TRANSCRIPT
Aim: What are reference angles? MB4311/21/08Lomas
HW: Read 651-660Do 660-1#9-29col,33-51col
Do Now: For each angle, estimate which quadrant.
a. θ = 145o b. θ = 256o c. θ = 309o
d. θ = 3 e. θ = 4
7 f. θ = 2
-3
cos θ = -1 3
Find the values for the other 5 trigonometric functions
1)
2)
Aim: What is the unit circle? MB4311/10/08Lomas
HW: Read 614-621Do 621 #1-7Read 621-624Do 624 #1,2,3,7,8
For each angle, estimate where andwhich quadrant it is located on the unit circle.
a. θ = 125o b. θ = 240o c. θ = 329o
d. θ = 6 e. θ = 45
f. θ = 2
-1
Aim: What is the unit circle? MB4311/10/08Lomas
HW: Read 614-621Do 621 #1-7Read 621-624Do 624 #1,2,3,7,8
The Unit Circleevery point on the circle is ONE UNIT
away from the center
x
y
P(x,y) or P(cos θ, sin θ)
θ(1,0)(-1,0)
(0,1)
(0,-1)
Aim: What is the unit circle? MB4311/10/08Lomas
HW: Read 614-621Do 621 #1-7Read 621-624Do 624 #1,2,3,7,8
What is theta?
What are the six trigonometric functions of theta?
Aim: What is the unit circle? MB4311/10/08Lomas
HW: Read 614-621Do 621 #1-7Read 621-624Do 624 #1,2,3,7,8
Main Event:The Unit Circle
Aim: What is the unit circle? MB4311/10/08Lomas
HW: Read 614-621Do 621 #1-7Read 621-624Do 624 #1,2,3,7,8