Exam 1

Question 1

Pythagorean identity

Answer 1

sin^2+cos^2=1

Question 2

Sin and Cos even or odd?

Answer 2

Sin is odd, cos even

Question 3

sin2u

Answer 3

2sinucosu

Question 4

cos2u

Answer 4

1-2sin^2u or cos^2-sin^2

Question 5

sin(u+v)

Answer 5

sinucosv+cosusinv

Question 6

cos(u+v)

Answer 6

cosucosv-sinusinv

Question 7

b^x graph

Answer 7

same as e graph

Question 8

ln1

Answer 8

0

Question 9

lne

Answer 9

1

Question 10

ln(0)

Answer 10

DNE, -infinity

Question 11

change of base formula

Answer 11

loga X/ log a b

Question 12

log point

Answer 12

(1,0)

Question 13

e graph point

Answer 13

(0,1)

Question 14

Half life formula

Answer 14

A=Ao(r)^t/T

Question 15

arcsin arccsc arctan

Answer 15

QI and QIV. -pi/2 to pi/2

Question 16

arcsin arccsc arctan negative number

Answer 16

-(reference angle)

Question 17

arccos, arcsec, arctan negative number

Answer 17

pi-reference angle

Question 18

arccosx arcsecd arccotx

Answer 18

QI and QII o and pi

Question 19

sinx and cosx range

Answer 19

-1 to 1

Question 20

Arctrig on inside

Answer 20

draw triangle

Question 21

x^3+y^3

Answer 21

(x+y)(x^2-xy+y^2)

Question 22

X^3-y^3

Answer 22

(x-y)(x^2+xy+y^2)

Question 23

sinx/x limit to 0

Answer 23

1

Question 24

tanx/x limit to 0

Answer 24

1

Question 25

cosx-1/x limit as x appraches 0

Answer 25

0

Question 26

bottom>top at infnity

Answer 26

0

Question 27

sin is

Answer 27

odd

Question 28

cos is

Answer 28

even

Question 29

tan is odd

Answer 29

odd

Question 30

sec is

Answer 30

even

Question 31

e^infinity

Answer 31

infinity

Question 32

e^-infinity

Answer 32

0

Question 33

f(x+c)

Answer 33

left units

Question 34

f(-x)

Answer 34

y axis

Question 35

-f(x)

Answer 35

x axis

Question 36

Box

Answer 36

SA=2x^2+4xy

V=x^2y

Question 37

Cylinder

Answer 37

v=pir^2h

SA=2pir^2+2pirh