Notes Flashcards
1
Q
what does a sin graph look like
A
(0, 0) its the middle
2pi period
2
Q
what does a cos graph look like
A
(0, 1) its the max
2pi period
3
Q
for a sin/cos graph how do you find a
A
(max - min) / 2 = a
4
Q
for a sin/cos graph how do you find c
A
look at horizontal shift
4
Q
for a sin/cos graph how do you find b
A
2pi / period = b
5
Q
for a sin/cos graph how do you find d
A
(max + min) / 2 = d
6
Q
unit circle special angles (radian, cos/sin)
A
pi/6
- sin = 1/2
- cos = root3/2
pi/4
- sin = root2/2
- cos = root2/2
pi/3
- sin = root3/2
- cos = 1/2
7
Q
unit circle x and y value
A
x is cos
y is sin
8
Q
when is a function not differentiable
A
if its not continuous, there is a corner/cusp, there is a vertical tangent
