Precal Stuff

Question 1

Sin(0)

Answer 1

0

Question 2

Sin(Pi/6)

Answer 2

1/2

Question 3

Sin(Pi/4)

Answer 3

Square root of 2/2

Question 4

sin(Pi/3)

Answer 4

Square root of 3/2

Question 5

sin(Pi/2)

Answer 5

1

Question 6

sin(pi)

Answer 6

0

Question 7

sin(3pi/2)

Answer 7

-1

Question 8

sin(2pi)

Answer 8

0

Question 9

cos(0)

Answer 9

1

Question 10

cos(pi/6)

Answer 10

Square root of 3/2

Question 11

cos(pi/4)

Answer 11

Square root of 2/2

Question 12

cos(pi/3)

Answer 12

1/2

Question 13

cos(pi/2)

Answer 13

0

Question 14

cos(pi)

Answer 14

-1

Question 15

cos(3pi/2)

Answer 15

0

Question 16

cos(2pi)

Answer 16

1

Question 17

tan (theta)

Answer 17

sin/cos

Question 18

cot (theta)

Answer 18

cos/sin

Question 19

sec (theta)

Answer 19

1/cos

Question 20

Wavy line on graph starting at the origin (0,0)

Answer 20

y = sin(x)

Question 21

Wavy line on graph starting at (0,1)

Answer 21

y = cos(x)

Question 22

Multiple y = x^3 functions on the graph

Answer 22

y = tan(x)

Question 23

Multiple y = x^2 functions curving at y = 1 and y = -1

Answer 23

y = sec(x)

Question 24

Graph with asymptotes at the origin

Answer 24

y = 1/x

Question 25

Function curving and exponentially growing horizontally

Answer 25

y = square root of x

Question 26

Perfect semicircle function on the graph

Answer 26

y = square root of 1 - x^2

Question 27

Function with lines in a V-shape coming to the origin (0,0)

Answer 27

y = |x|

Question 28

Function that never touches the y-line and curves horizontally

Answer 28

y = ln x

Question 29

Function that never touches the x-line and curves vertically

Answer 29

y = e^x

Question 30

An even function is…

Answer 30

Symmetric with respect to the y-axis like y = x^2

Question 31

An odd function is…

Answer 31

Symmetric with respect to the origin, like y = x^3

Question 32

Area of a triangle

Answer 32

A = 1/2(bh)

Question 33

Area of a circle

Answer 33

A = pi * radius^2

Question 34

Circumference of a circle

Answer 34

C = 2(pi)r

Question 35

Volume of a cylinder

Answer 35

V = pi * radius^2 * height

Question 36

Volume of a cone

Answer 36

V = 1/3 (pi * radius^2 * height)

Question 37

Volume of a sphere

Answer 37

V = 4/3 (pi * radius^3)

Question 38

Surface Area of a Sphere

Answer 38

A = 4(pi * radius^2)

Question 39

Point Slope Form

Answer 39

y - y1 = m(x - x1)