Precal Stuff Flashcards
(39 cards)
1
Q
Sin(0)
A
0
2
Q
Sin(Pi/6)
A
1/2
3
Q
Sin(Pi/4)
A
Square root of 2/2
4
Q
sin(Pi/3)
A
Square root of 3/2
5
Q
sin(Pi/2)
A
1
6
Q
sin(pi)
A
0
7
Q
sin(3pi/2)
A
-1
8
Q
sin(2pi)
A
0
9
Q
cos(0)
A
1
10
Q
cos(pi/6)
A
Square root of 3/2
11
Q
cos(pi/4)
A
Square root of 2/2
12
Q
cos(pi/3)
A
1/2
13
Q
cos(pi/2)
A
0
14
Q
cos(pi)
A
-1
15
Q
cos(3pi/2)
A
0
16
Q
cos(2pi)
A
1
17
Q
tan (theta)
A
sin/cos
18
Q
cot (theta)
A
cos/sin
19
Q
sec (theta)
A
1/cos
20
Q
Wavy line on graph starting at the origin (0,0)
A
y = sin(x)
21
Q
Wavy line on graph starting at (0,1)
A
y = cos(x)
22
Q
Multiple y = x^3 functions on the graph
A
y = tan(x)
23
Q
Multiple y = x^2 functions curving at y = 1 and y = -1
A
y = sec(x)
24
Q
Graph with asymptotes at the origin
A
y = 1/x
25
Function curving and exponentially growing horizontally
y = square root of x
26
Perfect semicircle function on the graph
y = square root of 1 - x^2
27
Function with lines in a V-shape coming to the origin (0,0)
y = |x|
28
Function that never touches the y-line and curves horizontally
y = ln x
29
Function that never touches the x-line and curves vertically
y = e^x
30
An even function is…
Symmetric with respect to the y-axis like y = x^2
31
An odd function is…
Symmetric with respect to the origin, like y = x^3
32
Area of a triangle
A = 1/2(bh)
33
Area of a circle
A = pi * radius^2
34
Circumference of a circle
C = 2(pi)r
35
Volume of a cylinder
V = pi * radius^2 * height
36
Volume of a cone
V = 1/3 (pi * radius^2 * height)
37
Volume of a sphere
V = 4/3 (pi * radius^3)
38
Surface Area of a Sphere
A = 4(pi * radius^2)
39
Point Slope Form
y - y1 = m(x - x1)
