Unit 1

Question 0

Sin pi/6

Answer 0

1/2

Question 1

Sin 0

Answer 1

0

Question 2

sin pi/4

Answer 2

1/(radical 2) = (radical 2)/2

Question 3

Sin pi/3

Answer 3

(radical 3)/2

Question 4

sin pi/2

Answer 4

1

Question 5

sin pi

Answer 5

0

Question 6

sin (3 pi)/2

Answer 6

-1

Question 7

sin (2 pi)

Answer 7

0

Question 8

cos 0

Answer 8

1

Question 9

cos (pi/6)

Answer 9

(radical 3)/2

Question 10

cos (pi/4)

Answer 10

1/(radical 2) = (radical 2)/2

Question 11

cos (pi/3)

Answer 11

1/2

Question 12

cos (pi/2)

Answer 12

0

Question 13

cos pi

Answer 13

-1

Question 14

cos (3 pi/2)

Answer 14

0

Question 15

cos (2 pi)

Answer 15

1

Question 16

tan 0

Answer 16

0

Question 17

tan (pi/6)

Answer 17

1/(radical 3) = (radical 3)/3

Question 18

tan (pi/4)

Answer 18

1

Question 19

tan (pi/3)

Answer 19

radical 3

Question 20

tan (pi/2)

Answer 20

undefined

Question 21

tan ø

in terms of sine and/or cosine

Answer 21

(sin ø)/(cos ø)

Question 22

cot ø

in terms of sine and/or cosine

Answer 22

1/(tan ø)

Question 23

csc ø

in terms of sine and/or cosine

Answer 23

1/(sin ø)

Question 24

sec ø

in terms of sine and/or cosine

Answer 24

1/(cos ø)

Question 25

Point-slope form of a linear equation

Answer 25

Y-Y1=m(X-X1)

Question 26

An even function is…

Answer 26

…symmetric with respect to the y-axis, like y=x^2, y=cos x, or y=absolutev(x)

f(-x)=f(x)

Question 27

An odd function is…

Answer 27

…symmetrical with respect to the origin, like y=x^3, y=sin x, or y=tan x

f(-x)=-f(x)

Question 28

Two formulas for area of a triangle

Answer 28

A=1/2(bh)

A=1/2(absinC)

Question 29

Area of a circle

Answer 29

A=(pi)r^2

Question 30

Circumference of a circle

Answer 30

C=2(pi)r

Question 31

Volume of a cylinder

Answer 31

V=(pi)r^2(h)

Question 32

Volume of a cone

Answer 32

V=1/3(pi)r^2(h)

Question 33

Volume of a sphere

Answer 33

V=4/3(pi)r^3

Question 34

Surface area of a sphere

Answer 34

A=4(pi)r^2

Question 35

A tangent line is…

Answer 35

…the line through a point on a curve with slope equal to the slope of the curve at that point.

Question 36

A secant line is…

Answer 36

…the line connecting two points on a curve.

Question 37

A normal line is…

Answer 37

…the line perpendicular to the tangent line at the point of tangency.

Question 38

f(x) is continuous at x=c when…

Answer 38

1) f(c) exists

2) lim f(x) exists; and
x->c

3) lim f(x) = f(c)
x->c