Exam 1 Flashcards
(37 cards)
1
Q
Pythagorean identity
A
sin^2+cos^2=1
2
Q
Sin and Cos even or odd?
A
Sin is odd, cos even
3
Q
sin2u
A
2sinucosu
4
Q
cos2u
A
1-2sin^2u or cos^2-sin^2
5
Q
sin(u+v)
A
sinucosv+cosusinv
6
Q
cos(u+v)
A
cosucosv-sinusinv
7
Q
b^x graph
A
same as e graph
8
Q
ln1
A
0
9
Q
lne
A
1
10
Q
ln(0)
A
DNE, -infinity
11
Q
change of base formula
A
loga X/ log a b
12
Q
log point
A
(1,0)
13
Q
e graph point
A
(0,1)
14
Q
Half life formula
A
A=Ao(r)^t/T
15
Q
arcsin arccsc arctan
A
QI and QIV. -pi/2 to pi/2
16
Q
arcsin arccsc arctan negative number
A
-(reference angle)
17
Q
arccos, arcsec, arctan negative number
A
pi-reference angle
18
Q
arccosx arcsecd arccotx
A
QI and QII o and pi
19
Q
sinx and cosx range
A
-1 to 1
20
Q
Arctrig on inside
A
draw triangle
21
Q
x^3+y^3
A
(x+y)(x^2-xy+y^2)
22
Q
X^3-y^3
A
(x-y)(x^2+xy+y^2)
23
Q
sinx/x limit to 0
A
1
24
Q
tanx/x limit to 0
A
1
25
cosx-1/x limit as x appraches 0
0
26
bottom>top at infnity
0
27
sin is
odd
28
cos is
even
29
tan is odd
odd
30
sec is
even
31
e^infinity
infinity
32
e^-infinity
0
33
f(x+c)
left units
34
f(-x)
y axis
35
-f(x)
x axis
36
Box
SA=2x^2+4xy
| V=x^2y
37
Cylinder
v=pir^2h
SA=2pir^2+2pirh
